Home / 908,084.56-1,253,156.70-526,332.78

Finding the Fourth Proportional to 908,084.56, 1,253,156.70 and 526,332.78

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Solution

The fourth proportional to 908,084.56, 1,253,156.70 and 526,332.78 is: 726,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,084.56 : 1,253,156.70 = 526,332.78 : x
  2. Step 2: Convert to fraction form
    908,084.56/1,253,156.70 = 526,332.78/x
  3. Step 3: Cross multiply
    908,084.56x = 1,253,156.70 × 526,332.78
  4. Step 4: Simplify right side
    908,084.56x = 659,577,449,686.63
  5. Step 5: Solve for x
    x = 659,577,449,686.63/908,084.56
  6. Step 6: Final answer
    x = 726,339.24

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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.