Home / 908,538.88-1,253,783.68-526,787.10

Finding the Fourth Proportional to 908,538.88, 1,253,783.68 and 526,787.10

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Solution

The fourth proportional to 908,538.88, 1,253,783.68 and 526,787.10 is: 726,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,538.88 : 1,253,783.68 = 526,787.10 : x
  2. Step 2: Convert to fraction form
    908,538.88/1,253,783.68 = 526,787.10/x
  3. Step 3: Cross multiply
    908,538.88x = 1,253,783.68 × 526,787.10
  4. Step 4: Simplify right side
    908,538.88x = 660,477,068,814.53
  5. Step 5: Solve for x
    x = 660,477,068,814.53/908,538.88
  6. Step 6: Final answer
    x = 726,966.21

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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.