Home / 518,549.04-777,854.34-144,572.04

Finding the Fourth Proportional to 518,549.04, 777,854.34 and 144,572.04

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Solution

The fourth proportional to 518,549.04, 777,854.34 and 144,572.04 is: 216,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,549.04 : 777,854.34 = 144,572.04 : x
  2. Step 2: Convert to fraction form
    518,549.04/777,854.34 = 144,572.04/x
  3. Step 3: Cross multiply
    518,549.04x = 777,854.34 × 144,572.04
  4. Step 4: Simplify right side
    518,549.04x = 112,455,988,756.65
  5. Step 5: Solve for x
    x = 112,455,988,756.65/518,549.04
  6. Step 6: Final answer
    x = 216,866.64

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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.