Home / 908,130.88-1,253,220.96-526,378.96

Finding the Fourth Proportional to 908,130.88, 1,253,220.96 and 526,378.96

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Solution

The fourth proportional to 908,130.88, 1,253,220.96 and 526,378.96 is: 726,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,130.88 : 1,253,220.96 = 526,378.96 : x
  2. Step 2: Convert to fraction form
    908,130.88/1,253,220.96 = 526,378.96/x
  3. Step 3: Cross multiply
    908,130.88x = 1,253,220.96 × 526,378.96
  4. Step 4: Simplify right side
    908,130.88x = 659,669,145,575.00
  5. Step 5: Solve for x
    x = 659,669,145,575.00/908,130.88
  6. Step 6: Final answer
    x = 726,403.17

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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.