Home / 902,225.69-1,245,033.43-539,435.19

Finding the Fourth Proportional to 902,225.69, 1,245,033.43 and 539,435.19

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Solution

The fourth proportional to 902,225.69, 1,245,033.43 and 539,435.19 is: 744,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,225.69 : 1,245,033.43 = 539,435.19 : x
  2. Step 2: Convert to fraction form
    902,225.69/1,245,033.43 = 539,435.19/x
  3. Step 3: Cross multiply
    902,225.69x = 1,245,033.43 × 539,435.19
  4. Step 4: Simplify right side
    902,225.69x = 671,614,851,223.01
  5. Step 5: Solve for x
    x = 671,614,851,223.01/902,225.69
  6. Step 6: Final answer
    x = 744,397.84

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Half scale
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Double scale
Find fourth proportional to 902,226.69, 1,245,034.81 and 539,436.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.