Home / 1,154,176.74-1,739,143.21-948,423.78

Finding the Fourth Proportional to 1,154,176.74, 1,739,143.21 and 948,423.78

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Solution

The fourth proportional to 1,154,176.74, 1,739,143.21 and 948,423.78 is: 1,429,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,176.74 : 1,739,143.21 = 948,423.78 : x
  2. Step 2: Convert to fraction form
    1,154,176.74/1,739,143.21 = 948,423.78/x
  3. Step 3: Cross multiply
    1,154,176.74x = 1,739,143.21 × 948,423.78
  4. Step 4: Simplify right side
    1,154,176.74x = 1,649,444,777,189.53
  5. Step 5: Solve for x
    x = 1,649,444,777,189.53/1,154,176.74
  6. Step 6: Final answer
    x = 1,429,109.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.