Home / 554,498.70-831,748.05-440,337.30

Finding the Fourth Proportional to 554,498.70, 831,748.05 and 440,337.30

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Solution

The fourth proportional to 554,498.70, 831,748.05 and 440,337.30 is: 660,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,498.70 : 831,748.05 = 440,337.30 : x
  2. Step 2: Convert to fraction form
    554,498.70/831,748.05 = 440,337.30/x
  3. Step 3: Cross multiply
    554,498.70x = 831,748.05 × 440,337.30
  4. Step 4: Simplify right side
    554,498.70x = 366,249,690,617.27
  5. Step 5: Solve for x
    x = 366,249,690,617.27/554,498.70
  6. Step 6: Final answer
    x = 660,505.95

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Double scale
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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.