Home / 1,196,301.76-1,649,963.01-766,621.87

Finding the Fourth Proportional to 1,196,301.76, 1,649,963.01 and 766,621.87

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Solution

The fourth proportional to 1,196,301.76, 1,649,963.01 and 766,621.87 is: 1,057,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,301.76 : 1,649,963.01 = 766,621.87 : x
  2. Step 2: Convert to fraction form
    1,196,301.76/1,649,963.01 = 766,621.87/x
  3. Step 3: Cross multiply
    1,196,301.76x = 1,649,963.01 × 766,621.87
  4. Step 4: Simplify right side
    1,196,301.76x = 1,264,897,726,906.95
  5. Step 5: Solve for x
    x = 1,264,897,726,906.95/1,196,301.76
  6. Step 6: Final answer
    x = 1,057,340.02

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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.