Home / 554,443.10-831,664.65-498,455.90

Finding the Fourth Proportional to 554,443.10, 831,664.65 and 498,455.90

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Solution

The fourth proportional to 554,443.10, 831,664.65 and 498,455.90 is: 747,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,443.10 : 831,664.65 = 498,455.90 : x
  2. Step 2: Convert to fraction form
    554,443.10/831,664.65 = 498,455.90/x
  3. Step 3: Cross multiply
    554,443.10x = 831,664.65 × 498,455.90
  4. Step 4: Simplify right side
    554,443.10x = 414,548,151,613.94
  5. Step 5: Solve for x
    x = 414,548,151,613.94/554,443.10
  6. Step 6: Final answer
    x = 747,683.85

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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.