Home / 938,011.84-1,294,519.84-529,972.16

Finding the Fourth Proportional to 938,011.84, 1,294,519.84 and 529,972.16

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Solution

The fourth proportional to 938,011.84, 1,294,519.84 and 529,972.16 is: 731,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,011.84 : 1,294,519.84 = 529,972.16 : x
  2. Step 2: Convert to fraction form
    938,011.84/1,294,519.84 = 529,972.16/x
  3. Step 3: Cross multiply
    938,011.84x = 1,294,519.84 × 529,972.16
  4. Step 4: Simplify right side
    938,011.84x = 686,059,475,767.66
  5. Step 5: Solve for x
    x = 686,059,475,767.66/938,011.84
  6. Step 6: Final answer
    x = 731,397.46

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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.