Home / 658,017.20-987,025.80-596,999.90

Finding the Fourth Proportional to 658,017.20, 987,025.80 and 596,999.90

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Solution

The fourth proportional to 658,017.20, 987,025.80 and 596,999.90 is: 895,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,017.20 : 987,025.80 = 596,999.90 : x
  2. Step 2: Convert to fraction form
    658,017.20/987,025.80 = 596,999.90/x
  3. Step 3: Cross multiply
    658,017.20x = 987,025.80 × 596,999.90
  4. Step 4: Simplify right side
    658,017.20x = 589,254,303,897.42
  5. Step 5: Solve for x
    x = 589,254,303,897.42/658,017.20
  6. Step 6: Final answer
    x = 895,499.85

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Half scale
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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.