Home / 1,102,894.80-1,654,342.20-471,872.40

Finding the Fourth Proportional to 1,102,894.80, 1,654,342.20 and 471,872.40

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Solution

The fourth proportional to 1,102,894.80, 1,654,342.20 and 471,872.40 is: 707,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,894.80 : 1,654,342.20 = 471,872.40 : x
  2. Step 2: Convert to fraction form
    1,102,894.80/1,654,342.20 = 471,872.40/x
  3. Step 3: Cross multiply
    1,102,894.80x = 1,654,342.20 × 471,872.40
  4. Step 4: Simplify right side
    1,102,894.80x = 780,638,424,335.28
  5. Step 5: Solve for x
    x = 780,638,424,335.28/1,102,894.80
  6. Step 6: Final answer
    x = 707,808.60

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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.