Home / 988,584.10-1,482,862.30-389,550.47

Finding the Fourth Proportional to 988,584.10, 1,482,862.30 and 389,550.47

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Solution

The fourth proportional to 988,584.10, 1,482,862.30 and 389,550.47 is: 584,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,584.10 : 1,482,862.30 = 389,550.47 : x
  2. Step 2: Convert to fraction form
    988,584.10/1,482,862.30 = 389,550.47/x
  3. Step 3: Cross multiply
    988,584.10x = 1,482,862.30 × 389,550.47
  4. Step 4: Simplify right side
    988,584.10x = 577,649,697,522.09
  5. Step 5: Solve for x
    x = 577,649,697,522.09/988,584.10
  6. Step 6: Final answer
    x = 584,320.24

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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.