Home / 774,888.16-1,069,341.60-435,353.44

Finding the Fourth Proportional to 774,888.16, 1,069,341.60 and 435,353.44

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Solution

The fourth proportional to 774,888.16, 1,069,341.60 and 435,353.44 is: 600,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,888.16 : 1,069,341.60 = 435,353.44 : x
  2. Step 2: Convert to fraction form
    774,888.16/1,069,341.60 = 435,353.44/x
  3. Step 3: Cross multiply
    774,888.16x = 1,069,341.60 × 435,353.44
  4. Step 4: Simplify right side
    774,888.16x = 465,541,544,095.10
  5. Step 5: Solve for x
    x = 465,541,544,095.10/774,888.16
  6. Step 6: Final answer
    x = 600,785.47

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Double scale
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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.