Home / 924,189.74-1,275,336.05-516,210.36

Finding the Fourth Proportional to 924,189.74, 1,275,336.05 and 516,210.36

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Solution

The fourth proportional to 924,189.74, 1,275,336.05 and 516,210.36 is: 712,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,189.74 : 1,275,336.05 = 516,210.36 : x
  2. Step 2: Convert to fraction form
    924,189.74/1,275,336.05 = 516,210.36/x
  3. Step 3: Cross multiply
    924,189.74x = 1,275,336.05 × 516,210.36
  4. Step 4: Simplify right side
    924,189.74x = 658,341,681,491.48
  5. Step 5: Solve for x
    x = 658,341,681,491.48/924,189.74
  6. Step 6: Final answer
    x = 712,344.72

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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.