Home / 481,972.04-664,530.18-391,070.60

Finding the Fourth Proportional to 481,972.04, 664,530.18 and 391,070.60

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Solution

The fourth proportional to 481,972.04, 664,530.18 and 391,070.60 is: 539,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,972.04 : 664,530.18 = 391,070.60 : x
  2. Step 2: Convert to fraction form
    481,972.04/664,530.18 = 391,070.60/x
  3. Step 3: Cross multiply
    481,972.04x = 664,530.18 × 391,070.60
  4. Step 4: Simplify right side
    481,972.04x = 259,878,216,210.71
  5. Step 5: Solve for x
    x = 259,878,216,210.71/481,972.04
  6. Step 6: Final answer
    x = 539,197.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.