Home / 931,280.06-1,285,517.56-544,221.16

Finding the Fourth Proportional to 931,280.06, 1,285,517.56 and 544,221.16

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Solution

The fourth proportional to 931,280.06, 1,285,517.56 and 544,221.16 is: 751,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,280.06 : 1,285,517.56 = 544,221.16 : x
  2. Step 2: Convert to fraction form
    931,280.06/1,285,517.56 = 544,221.16/x
  3. Step 3: Cross multiply
    931,280.06x = 1,285,517.56 × 544,221.16
  4. Step 4: Simplify right side
    931,280.06x = 699,605,857,703.57
  5. Step 5: Solve for x
    x = 699,605,857,703.57/931,280.06
  6. Step 6: Final answer
    x = 751,230.36

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Double scale
Find fourth proportional to 931,281.06, 1,285,518.94 and 544,222.16
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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.