Home / 920,159.20-1,269,877.70-557,614.76

Finding the Fourth Proportional to 920,159.20, 1,269,877.70 and 557,614.76

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Solution

The fourth proportional to 920,159.20, 1,269,877.70 and 557,614.76 is: 769,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,159.20 : 1,269,877.70 = 557,614.76 : x
  2. Step 2: Convert to fraction form
    920,159.20/1,269,877.70 = 557,614.76/x
  3. Step 3: Cross multiply
    920,159.20x = 1,269,877.70 × 557,614.76
  4. Step 4: Simplify right side
    920,159.20x = 708,102,548,914.85
  5. Step 5: Solve for x
    x = 708,102,548,914.85/920,159.20
  6. Step 6: Final answer
    x = 769,543.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.