Home / 498,210.30-747,315.45-464,749.20

Finding the Fourth Proportional to 498,210.30, 747,315.45 and 464,749.20

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Solution

The fourth proportional to 498,210.30, 747,315.45 and 464,749.20 is: 697,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,210.30 : 747,315.45 = 464,749.20 : x
  2. Step 2: Convert to fraction form
    498,210.30/747,315.45 = 464,749.20/x
  3. Step 3: Cross multiply
    498,210.30x = 747,315.45 × 464,749.20
  4. Step 4: Simplify right side
    498,210.30x = 347,314,257,535.14
  5. Step 5: Solve for x
    x = 347,314,257,535.14/498,210.30
  6. Step 6: Final answer
    x = 697,123.80

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Similar ratio
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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.