Home / 1,692,691.79-2,335,957.65-928,745.15

Finding the Fourth Proportional to 1,692,691.79, 2,335,957.65 and 928,745.15

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Solution

The fourth proportional to 1,692,691.79, 2,335,957.65 and 928,745.15 is: 1,281,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,691.79 : 2,335,957.65 = 928,745.15 : x
  2. Step 2: Convert to fraction form
    1,692,691.79/2,335,957.65 = 928,745.15/x
  3. Step 3: Cross multiply
    1,692,691.79x = 2,335,957.65 × 928,745.15
  4. Step 4: Simplify right side
    1,692,691.79x = 2,169,509,326,363.11
  5. Step 5: Solve for x
    x = 2,169,509,326,363.11/1,692,691.79
  6. Step 6: Final answer
    x = 1,281,691.89

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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.