Home / 498,768.20-748,152.30-433,814.30

Finding the Fourth Proportional to 498,768.20, 748,152.30 and 433,814.30

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Solution

The fourth proportional to 498,768.20, 748,152.30 and 433,814.30 is: 650,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,768.20 : 748,152.30 = 433,814.30 : x
  2. Step 2: Convert to fraction form
    498,768.20/748,152.30 = 433,814.30/x
  3. Step 3: Cross multiply
    498,768.20x = 748,152.30 × 433,814.30
  4. Step 4: Simplify right side
    498,768.20x = 324,559,166,317.89
  5. Step 5: Solve for x
    x = 324,559,166,317.89/498,768.20
  6. Step 6: Final answer
    x = 650,721.45

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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.