Home / 1,287,045.42-1,930,244.22-529,098.24

Finding the Fourth Proportional to 1,287,045.42, 1,930,244.22 and 529,098.24

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Solution

The fourth proportional to 1,287,045.42, 1,930,244.22 and 529,098.24 is: 793,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,045.42 : 1,930,244.22 = 529,098.24 : x
  2. Step 2: Convert to fraction form
    1,287,045.42/1,930,244.22 = 529,098.24/x
  3. Step 3: Cross multiply
    1,287,045.42x = 1,930,244.22 × 529,098.24
  4. Step 4: Simplify right side
    1,287,045.42x = 1,021,288,819,572.17
  5. Step 5: Solve for x
    x = 1,021,288,819,572.17/1,287,045.42
  6. Step 6: Final answer
    x = 793,514.20

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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.