Home / 627,037.16-864,721.86-483,569.96

Finding the Fourth Proportional to 627,037.16, 864,721.86 and 483,569.96

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Solution

The fourth proportional to 627,037.16, 864,721.86 and 483,569.96 is: 666,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,037.16 : 864,721.86 = 483,569.96 : x
  2. Step 2: Convert to fraction form
    627,037.16/864,721.86 = 483,569.96/x
  3. Step 3: Cross multiply
    627,037.16x = 864,721.86 × 483,569.96
  4. Step 4: Simplify right side
    627,037.16x = 418,153,515,251.33
  5. Step 5: Solve for x
    x = 418,153,515,251.33/627,037.16
  6. Step 6: Final answer
    x = 666,871.98

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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.