Home / 1,923,064.80-2,884,856.40-661,279.20

Finding the Fourth Proportional to 1,923,064.80, 2,884,856.40 and 661,279.20

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Solution

The fourth proportional to 1,923,064.80, 2,884,856.40 and 661,279.20 is: 992,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,064.80 : 2,884,856.40 = 661,279.20 : x
  2. Step 2: Convert to fraction form
    1,923,064.80/2,884,856.40 = 661,279.20/x
  3. Step 3: Cross multiply
    1,923,064.80x = 2,884,856.40 × 661,279.20
  4. Step 4: Simplify right side
    1,923,064.80x = 1,907,695,532,306.88
  5. Step 5: Solve for x
    x = 1,907,695,532,306.88/1,923,064.80
  6. Step 6: Final answer
    x = 992,007.93

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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.