Home / 453,327.52-679,369.20-286,817.44

Finding the Fourth Proportional to 453,327.52, 679,369.20 and 286,817.44

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Solution

The fourth proportional to 453,327.52, 679,369.20 and 286,817.44 is: 429,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,327.52 : 679,369.20 = 286,817.44 : x
  2. Step 2: Convert to fraction form
    453,327.52/679,369.20 = 286,817.44/x
  3. Step 3: Cross multiply
    453,327.52x = 679,369.20 × 286,817.44
  4. Step 4: Simplify right side
    453,327.52x = 194,854,934,758.85
  5. Step 5: Solve for x
    x = 194,854,934,758.85/453,327.52
  6. Step 6: Final answer
    x = 429,832.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.