Home / 778,270.17-1,073,966.59-451,557.89

Finding the Fourth Proportional to 778,270.17, 1,073,966.59 and 451,557.89

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Solution

The fourth proportional to 778,270.17, 1,073,966.59 and 451,557.89 is: 623,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,270.17 : 1,073,966.59 = 451,557.89 : x
  2. Step 2: Convert to fraction form
    778,270.17/1,073,966.59 = 451,557.89/x
  3. Step 3: Cross multiply
    778,270.17x = 1,073,966.59 × 451,557.89
  4. Step 4: Simplify right side
    778,270.17x = 484,958,087,310.90
  5. Step 5: Solve for x
    x = 484,958,087,310.90/778,270.17
  6. Step 6: Final answer
    x = 623,123.06

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1.5x scale

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.