Home / 1,354,233.60-2,031,868.80-1,332,979.20

Finding the Fourth Proportional to 1,354,233.60, 2,031,868.80 and 1,332,979.20

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Solution

The fourth proportional to 1,354,233.60, 2,031,868.80 and 1,332,979.20 is: 1,999,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,233.60 : 2,031,868.80 = 1,332,979.20 : x
  2. Step 2: Convert to fraction form
    1,354,233.60/2,031,868.80 = 1,332,979.20/x
  3. Step 3: Cross multiply
    1,354,233.60x = 2,031,868.80 × 1,332,979.20
  4. Step 4: Simplify right side
    1,354,233.60x = 2,708,438,847,528.96
  5. Step 5: Solve for x
    x = 2,708,438,847,528.96/1,354,233.60
  6. Step 6: Final answer
    x = 1,999,979.06

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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.