Home / 1,649,176.47-2,472,038.33-690,181.56

Finding the Fourth Proportional to 1,649,176.47, 2,472,038.33 and 690,181.56

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Solution

The fourth proportional to 1,649,176.47, 2,472,038.33 and 690,181.56 is: 1,034,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,176.47 : 2,472,038.33 = 690,181.56 : x
  2. Step 2: Convert to fraction form
    1,649,176.47/2,472,038.33 = 690,181.56/x
  3. Step 3: Cross multiply
    1,649,176.47x = 2,472,038.33 × 690,181.56
  4. Step 4: Simplify right side
    1,649,176.47x = 1,706,155,267,528.29
  5. Step 5: Solve for x
    x = 1,706,155,267,528.29/1,649,176.47
  6. Step 6: Final answer
    x = 1,034,549.85

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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.