Home / 1,145,522.25-1,580,853.51-636,257.43

Finding the Fourth Proportional to 1,145,522.25, 1,580,853.51 and 636,257.43

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Solution

The fourth proportional to 1,145,522.25, 1,580,853.51 and 636,257.43 is: 878,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,522.25 : 1,580,853.51 = 636,257.43 : x
  2. Step 2: Convert to fraction form
    1,145,522.25/1,580,853.51 = 636,257.43/x
  3. Step 3: Cross multiply
    1,145,522.25x = 1,580,853.51 × 636,257.43
  4. Step 4: Simplify right side
    1,145,522.25x = 1,005,829,791,479.08
  5. Step 5: Solve for x
    x = 1,005,829,791,479.08/1,145,522.25
  6. Step 6: Final answer
    x = 878,053.47

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Double scale
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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.