Home / 1,411,862.72-1,947,492.96-838,489.28

Finding the Fourth Proportional to 1,411,862.72, 1,947,492.96 and 838,489.28

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Solution

The fourth proportional to 1,411,862.72, 1,947,492.96 and 838,489.28 is: 1,156,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,862.72 : 1,947,492.96 = 838,489.28 : x
  2. Step 2: Convert to fraction form
    1,411,862.72/1,947,492.96 = 838,489.28/x
  3. Step 3: Cross multiply
    1,411,862.72x = 1,947,492.96 × 838,489.28
  4. Step 4: Simplify right side
    1,411,862.72x = 1,632,951,969,835.47
  5. Step 5: Solve for x
    x = 1,632,951,969,835.47/1,411,862.72
  6. Step 6: Final answer
    x = 1,156,594.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.