Home / 518,600.80-777,590.04-202,681.36

Finding the Fourth Proportional to 518,600.80, 777,590.04 and 202,681.36

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Solution

The fourth proportional to 518,600.80, 777,590.04 and 202,681.36 is: 303,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,600.80 : 777,590.04 = 202,681.36 : x
  2. Step 2: Convert to fraction form
    518,600.80/777,590.04 = 202,681.36/x
  3. Step 3: Cross multiply
    518,600.80x = 777,590.04 × 202,681.36
  4. Step 4: Simplify right side
    518,600.80x = 157,603,006,829.65
  5. Step 5: Solve for x
    x = 157,603,006,829.65/518,600.80
  6. Step 6: Final answer
    x = 303,900.43

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1.5x scale

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.