Home / 1,235,892.70-1,853,839.05-437,200.30

Finding the Fourth Proportional to 1,235,892.70, 1,853,839.05 and 437,200.30

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Solution

The fourth proportional to 1,235,892.70, 1,853,839.05 and 437,200.30 is: 655,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,892.70 : 1,853,839.05 = 437,200.30 : x
  2. Step 2: Convert to fraction form
    1,235,892.70/1,853,839.05 = 437,200.30/x
  3. Step 3: Cross multiply
    1,235,892.70x = 1,853,839.05 × 437,200.30
  4. Step 4: Simplify right side
    1,235,892.70x = 810,498,988,811.72
  5. Step 5: Solve for x
    x = 810,498,988,811.72/1,235,892.70
  6. Step 6: Final answer
    x = 655,800.45

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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.