Home / 1,236,128.77-1,854,480.72-383,155.18

Finding the Fourth Proportional to 1,236,128.77, 1,854,480.72 and 383,155.18

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Solution

The fourth proportional to 1,236,128.77, 1,854,480.72 and 383,155.18 is: 574,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,128.77 : 1,854,480.72 = 383,155.18 : x
  2. Step 2: Convert to fraction form
    1,236,128.77/1,854,480.72 = 383,155.18/x
  3. Step 3: Cross multiply
    1,236,128.77x = 1,854,480.72 × 383,155.18
  4. Step 4: Simplify right side
    1,236,128.77x = 710,553,894,078.13
  5. Step 5: Solve for x
    x = 710,553,894,078.13/1,236,128.77
  6. Step 6: Final answer
    x = 574,821.90

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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.