Home / 734,474.40-1,101,711.60-397,384.80

Finding the Fourth Proportional to 734,474.40, 1,101,711.60 and 397,384.80

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Solution

The fourth proportional to 734,474.40, 1,101,711.60 and 397,384.80 is: 596,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,474.40 : 1,101,711.60 = 397,384.80 : x
  2. Step 2: Convert to fraction form
    734,474.40/1,101,711.60 = 397,384.80/x
  3. Step 3: Cross multiply
    734,474.40x = 1,101,711.60 × 397,384.80
  4. Step 4: Simplify right side
    734,474.40x = 437,803,443,823.68
  5. Step 5: Solve for x
    x = 437,803,443,823.68/734,474.40
  6. Step 6: Final answer
    x = 596,077.20

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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.