Home / 1,041,395.85-1,561,787.60-442,352.25

Finding the Fourth Proportional to 1,041,395.85, 1,561,787.60 and 442,352.25

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Solution

The fourth proportional to 1,041,395.85, 1,561,787.60 and 442,352.25 is: 663,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,395.85 : 1,561,787.60 = 442,352.25 : x
  2. Step 2: Convert to fraction form
    1,041,395.85/1,561,787.60 = 442,352.25/x
  3. Step 3: Cross multiply
    1,041,395.85x = 1,561,787.60 × 442,352.25
  4. Step 4: Simplify right side
    1,041,395.85x = 690,860,256,670.34
  5. Step 5: Solve for x
    x = 690,860,256,670.34/1,041,395.85
  6. Step 6: Final answer
    x = 663,398.32

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Double scale
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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.