Home / 817,355.93-1,127,881.19-454,780.49

Finding the Fourth Proportional to 817,355.93, 1,127,881.19 and 454,780.49

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Solution

The fourth proportional to 817,355.93, 1,127,881.19 and 454,780.49 is: 627,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,355.93 : 1,127,881.19 = 454,780.49 : x
  2. Step 2: Convert to fraction form
    817,355.93/1,127,881.19 = 454,780.49/x
  3. Step 3: Cross multiply
    817,355.93x = 1,127,881.19 × 454,780.49
  4. Step 4: Simplify right side
    817,355.93x = 512,938,355,747.53
  5. Step 5: Solve for x
    x = 512,938,355,747.53/817,355.93
  6. Step 6: Final answer
    x = 627,558.13

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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.