Home / 837,359.13-1,255,470.14-426,017.44

Finding the Fourth Proportional to 837,359.13, 1,255,470.14 and 426,017.44

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Solution

The fourth proportional to 837,359.13, 1,255,470.14 and 426,017.44 is: 638,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,359.13 : 1,255,470.14 = 426,017.44 : x
  2. Step 2: Convert to fraction form
    837,359.13/1,255,470.14 = 426,017.44/x
  3. Step 3: Cross multiply
    837,359.13x = 1,255,470.14 × 426,017.44
  4. Step 4: Simplify right side
    837,359.13x = 534,852,172,965.61
  5. Step 5: Solve for x
    x = 534,852,172,965.61/837,359.13
  6. Step 6: Final answer
    x = 638,736.90

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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.