Home / 706,557.24-975,142.02-687,320.96

Finding the Fourth Proportional to 706,557.24, 975,142.02 and 687,320.96

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Solution

The fourth proportional to 706,557.24, 975,142.02 and 687,320.96 is: 948,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,557.24 : 975,142.02 = 687,320.96 : x
  2. Step 2: Convert to fraction form
    706,557.24/975,142.02 = 687,320.96/x
  3. Step 3: Cross multiply
    706,557.24x = 975,142.02 × 687,320.96
  4. Step 4: Simplify right side
    706,557.24x = 670,235,547,024.48
  5. Step 5: Solve for x
    x = 670,235,547,024.48/706,557.24
  6. Step 6: Final answer
    x = 948,593.42

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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.