Home / 370,844.80-556,267.20-356,329.60

Finding the Fourth Proportional to 370,844.80, 556,267.20 and 356,329.60

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Solution

The fourth proportional to 370,844.80, 556,267.20 and 356,329.60 is: 534,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,844.80 : 556,267.20 = 356,329.60 : x
  2. Step 2: Convert to fraction form
    370,844.80/556,267.20 = 356,329.60/x
  3. Step 3: Cross multiply
    370,844.80x = 556,267.20 × 356,329.60
  4. Step 4: Simplify right side
    370,844.80x = 198,214,468,869.12
  5. Step 5: Solve for x
    x = 198,214,468,869.12/370,844.80
  6. Step 6: Final answer
    x = 534,494.40

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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.