Home / 856,624.11-1,182,127.28-469,436.55

Finding the Fourth Proportional to 856,624.11, 1,182,127.28 and 469,436.55

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Solution

The fourth proportional to 856,624.11, 1,182,127.28 and 469,436.55 is: 647,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,624.11 : 1,182,127.28 = 469,436.55 : x
  2. Step 2: Convert to fraction form
    856,624.11/1,182,127.28 = 469,436.55/x
  3. Step 3: Cross multiply
    856,624.11x = 1,182,127.28 × 469,436.55
  4. Step 4: Simplify right side
    856,624.11x = 554,933,749,636.90
  5. Step 5: Solve for x
    x = 554,933,749,636.90/856,624.11
  6. Step 6: Final answer
    x = 647,814.77

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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.