Home / 597,830.20-896,745.30-440,366.20

Finding the Fourth Proportional to 597,830.20, 896,745.30 and 440,366.20

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Solution

The fourth proportional to 597,830.20, 896,745.30 and 440,366.20 is: 660,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,830.20 : 896,745.30 = 440,366.20 : x
  2. Step 2: Convert to fraction form
    597,830.20/896,745.30 = 440,366.20/x
  3. Step 3: Cross multiply
    597,830.20x = 896,745.30 × 440,366.20
  4. Step 4: Simplify right side
    597,830.20x = 394,896,320,128.86
  5. Step 5: Solve for x
    x = 394,896,320,128.86/597,830.20
  6. Step 6: Final answer
    x = 660,549.30

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Double scale
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Similar ratio
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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.