Home / 969,106.38-1,337,353.38-539,386.68

Finding the Fourth Proportional to 969,106.38, 1,337,353.38 and 539,386.68

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Solution

The fourth proportional to 969,106.38, 1,337,353.38 and 539,386.68 is: 744,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,106.38 : 1,337,353.38 = 539,386.68 : x
  2. Step 2: Convert to fraction form
    969,106.38/1,337,353.38 = 539,386.68/x
  3. Step 3: Cross multiply
    969,106.38x = 1,337,353.38 × 539,386.68
  4. Step 4: Simplify right side
    969,106.38x = 721,350,599,624.98
  5. Step 5: Solve for x
    x = 721,350,599,624.98/969,106.38
  6. Step 6: Final answer
    x = 744,346.15

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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.