Home / 908,173.52-1,253,279.73-526,421.72

Finding the Fourth Proportional to 908,173.52, 1,253,279.73 and 526,421.72

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Solution

The fourth proportional to 908,173.52, 1,253,279.73 and 526,421.72 is: 726,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,173.52 : 1,253,279.73 = 526,421.72 : x
  2. Step 2: Convert to fraction form
    908,173.52/1,253,279.73 = 526,421.72/x
  3. Step 3: Cross multiply
    908,173.52x = 1,253,279.73 × 526,421.72
  4. Step 4: Simplify right side
    908,173.52x = 659,753,671,107.74
  5. Step 5: Solve for x
    x = 659,753,671,107.74/908,173.52
  6. Step 6: Final answer
    x = 726,462.13

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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.