Home / 557,534.28-769,400.34-342,814.62

Finding the Fourth Proportional to 557,534.28, 769,400.34 and 342,814.62

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Solution

The fourth proportional to 557,534.28, 769,400.34 and 342,814.62 is: 473,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,534.28 : 769,400.34 = 342,814.62 : x
  2. Step 2: Convert to fraction form
    557,534.28/769,400.34 = 342,814.62/x
  3. Step 3: Cross multiply
    557,534.28x = 769,400.34 × 342,814.62
  4. Step 4: Simplify right side
    557,534.28x = 263,761,685,184.97
  5. Step 5: Solve for x
    x = 263,761,685,184.97/557,534.28
  6. Step 6: Final answer
    x = 473,086.04

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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.