Home / 908,083.56-1,253,155.32-526,331.78

Finding the Fourth Proportional to 908,083.56, 1,253,155.32 and 526,331.78

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Solution

The fourth proportional to 908,083.56, 1,253,155.32 and 526,331.78 is: 726,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,083.56 : 1,253,155.32 = 526,331.78 : x
  2. Step 2: Convert to fraction form
    908,083.56/1,253,155.32 = 526,331.78/x
  3. Step 3: Cross multiply
    908,083.56x = 1,253,155.32 × 526,331.78
  4. Step 4: Simplify right side
    908,083.56x = 659,575,470,192.07
  5. Step 5: Solve for x
    x = 659,575,470,192.07/908,083.56
  6. Step 6: Final answer
    x = 726,337.86

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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.