Home / 496,882.13-686,123.60-480,814.34

Finding the Fourth Proportional to 496,882.13, 686,123.60 and 480,814.34

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Solution

The fourth proportional to 496,882.13, 686,123.60 and 480,814.34 is: 663,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,882.13 : 686,123.60 = 480,814.34 : x
  2. Step 2: Convert to fraction form
    496,882.13/686,123.60 = 480,814.34/x
  3. Step 3: Cross multiply
    496,882.13x = 686,123.60 × 480,814.34
  4. Step 4: Simplify right side
    496,882.13x = 329,898,068,809.77
  5. Step 5: Solve for x
    x = 329,898,068,809.77/496,882.13
  6. Step 6: Final answer
    x = 663,936.27

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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.