Home / 930,491.60-1,395,737.40-369,526.10

Finding the Fourth Proportional to 930,491.60, 1,395,737.40 and 369,526.10

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Solution

The fourth proportional to 930,491.60, 1,395,737.40 and 369,526.10 is: 554,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,491.60 : 1,395,737.40 = 369,526.10 : x
  2. Step 2: Convert to fraction form
    930,491.60/1,395,737.40 = 369,526.10/x
  3. Step 3: Cross multiply
    930,491.60x = 1,395,737.40 × 369,526.10
  4. Step 4: Simplify right side
    930,491.60x = 515,761,398,046.14
  5. Step 5: Solve for x
    x = 515,761,398,046.14/930,491.60
  6. Step 6: Final answer
    x = 554,289.15

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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.