Home / 1,041,428.20-1,562,142.30-376,424.68

Finding the Fourth Proportional to 1,041,428.20, 1,562,142.30 and 376,424.68

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Solution

The fourth proportional to 1,041,428.20, 1,562,142.30 and 376,424.68 is: 564,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,428.20 : 1,562,142.30 = 376,424.68 : x
  2. Step 2: Convert to fraction form
    1,041,428.20/1,562,142.30 = 376,424.68/x
  3. Step 3: Cross multiply
    1,041,428.20x = 1,562,142.30 × 376,424.68
  4. Step 4: Simplify right side
    1,041,428.20x = 588,028,915,391.96
  5. Step 5: Solve for x
    x = 588,028,915,391.96/1,041,428.20
  6. Step 6: Final answer
    x = 564,637.02

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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.