Home / 716,057.52-1,072,676.88-515,903.28

Finding the Fourth Proportional to 716,057.52, 1,072,676.88 and 515,903.28

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Solution

The fourth proportional to 716,057.52, 1,072,676.88 and 515,903.28 is: 772,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,057.52 : 1,072,676.88 = 515,903.28 : x
  2. Step 2: Convert to fraction form
    716,057.52/1,072,676.88 = 515,903.28/x
  3. Step 3: Cross multiply
    716,057.52x = 1,072,676.88 × 515,903.28
  4. Step 4: Simplify right side
    716,057.52x = 553,397,520,772.17
  5. Step 5: Solve for x
    x = 553,397,520,772.17/716,057.52
  6. Step 6: Final answer
    x = 772,839.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.