Home / 816,591.17-1,126,924.19-454,030.31

Finding the Fourth Proportional to 816,591.17, 1,126,924.19 and 454,030.31

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Solution

The fourth proportional to 816,591.17, 1,126,924.19 and 454,030.31 is: 626,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,591.17 : 1,126,924.19 = 454,030.31 : x
  2. Step 2: Convert to fraction form
    816,591.17/1,126,924.19 = 454,030.31/x
  3. Step 3: Cross multiply
    816,591.17x = 1,126,924.19 × 454,030.31
  4. Step 4: Simplify right side
    816,591.17x = 511,657,744,135.89
  5. Step 5: Solve for x
    x = 511,657,744,135.89/816,591.17
  6. Step 6: Final answer
    x = 626,577.61

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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.