Home / 1,299,039.12-1,948,514.94-457,569

Finding the Fourth Proportional to 1,299,039.12, 1,948,514.94 and 457,569

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Solution

The fourth proportional to 1,299,039.12, 1,948,514.94 and 457,569 is: 686,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,039.12 : 1,948,514.94 = 457,569 : x
  2. Step 2: Convert to fraction form
    1,299,039.12/1,948,514.94 = 457,569/x
  3. Step 3: Cross multiply
    1,299,039.12x = 1,948,514.94 × 457,569
  4. Step 4: Simplify right side
    1,299,039.12x = 891,580,032,580.86
  5. Step 5: Solve for x
    x = 891,580,032,580.86/1,299,039.12
  6. Step 6: Final answer
    x = 686,338.09

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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.