Home / 1,169,854.92-1,754,782.38-421,900.92

Finding the Fourth Proportional to 1,169,854.92, 1,754,782.38 and 421,900.92

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Solution

The fourth proportional to 1,169,854.92, 1,754,782.38 and 421,900.92 is: 632,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,854.92 : 1,754,782.38 = 421,900.92 : x
  2. Step 2: Convert to fraction form
    1,169,854.92/1,754,782.38 = 421,900.92/x
  3. Step 3: Cross multiply
    1,169,854.92x = 1,754,782.38 × 421,900.92
  4. Step 4: Simplify right side
    1,169,854.92x = 740,344,300,521.79
  5. Step 5: Solve for x
    x = 740,344,300,521.79/1,169,854.92
  6. Step 6: Final answer
    x = 632,851.38

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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.