Home / 1,539,753.98-2,124,941.27-928,101.11

Finding the Fourth Proportional to 1,539,753.98, 2,124,941.27 and 928,101.11

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Solution

The fourth proportional to 1,539,753.98, 2,124,941.27 and 928,101.11 is: 1,280,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,753.98 : 2,124,941.27 = 928,101.11 : x
  2. Step 2: Convert to fraction form
    1,539,753.98/2,124,941.27 = 928,101.11/x
  3. Step 3: Cross multiply
    1,539,753.98x = 2,124,941.27 × 928,101.11
  4. Step 4: Simplify right side
    1,539,753.98x = 1,972,160,336,106.60
  5. Step 5: Solve for x
    x = 1,972,160,336,106.60/1,539,753.98
  6. Step 6: Final answer
    x = 1,280,828.22

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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.