Home / 1,289,614.80-1,933,500.60-579,061.20

Finding the Fourth Proportional to 1,289,614.80, 1,933,500.60 and 579,061.20

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Solution

The fourth proportional to 1,289,614.80, 1,933,500.60 and 579,061.20 is: 868,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,614.80 : 1,933,500.60 = 579,061.20 : x
  2. Step 2: Convert to fraction form
    1,289,614.80/1,933,500.60 = 579,061.20/x
  3. Step 3: Cross multiply
    1,289,614.80x = 1,933,500.60 × 579,061.20
  4. Step 4: Simplify right side
    1,289,614.80x = 1,119,615,177,636.72
  5. Step 5: Solve for x
    x = 1,119,615,177,636.72/1,289,614.80
  6. Step 6: Final answer
    x = 868,177.98

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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.