Home / 924,461.76-1,275,628.80-516,512.64

Finding the Fourth Proportional to 924,461.76, 1,275,628.80 and 516,512.64

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Solution

The fourth proportional to 924,461.76, 1,275,628.80 and 516,512.64 is: 712,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,461.76 : 1,275,628.80 = 516,512.64 : x
  2. Step 2: Convert to fraction form
    924,461.76/1,275,628.80 = 516,512.64/x
  3. Step 3: Cross multiply
    924,461.76x = 1,275,628.80 × 516,512.64
  4. Step 4: Simplify right side
    924,461.76x = 658,878,399,148.03
  5. Step 5: Solve for x
    x = 658,878,399,148.03/924,461.76
  6. Step 6: Final answer
    x = 712,715.69

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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.