Home / 1,553,142.86-2,329,814.73-488,226.14

Finding the Fourth Proportional to 1,553,142.86, 2,329,814.73 and 488,226.14

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Solution

The fourth proportional to 1,553,142.86, 2,329,814.73 and 488,226.14 is: 732,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,142.86 : 2,329,814.73 = 488,226.14 : x
  2. Step 2: Convert to fraction form
    1,553,142.86/2,329,814.73 = 488,226.14/x
  3. Step 3: Cross multiply
    1,553,142.86x = 2,329,814.73 × 488,226.14
  4. Step 4: Simplify right side
    1,553,142.86x = 1,137,476,452,543.04
  5. Step 5: Solve for x
    x = 1,137,476,452,543.04/1,553,142.86
  6. Step 6: Final answer
    x = 732,370.78

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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.