Home / 1,840,763.72-2,761,264.62-578,640.20

Finding the Fourth Proportional to 1,840,763.72, 2,761,264.62 and 578,640.20

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Solution

The fourth proportional to 1,840,763.72, 2,761,264.62 and 578,640.20 is: 867,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,763.72 : 2,761,264.62 = 578,640.20 : x
  2. Step 2: Convert to fraction form
    1,840,763.72/2,761,264.62 = 578,640.20/x
  3. Step 3: Cross multiply
    1,840,763.72x = 2,761,264.62 × 578,640.20
  4. Step 4: Simplify right side
    1,840,763.72x = 1,597,778,711,969.72
  5. Step 5: Solve for x
    x = 1,597,778,711,969.72/1,840,763.72
  6. Step 6: Final answer
    x = 867,997.72

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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.