Home / 480,830.04-721,471.86-214,566.84

Finding the Fourth Proportional to 480,830.04, 721,471.86 and 214,566.84

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Solution

The fourth proportional to 480,830.04, 721,471.86 and 214,566.84 is: 321,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,830.04 : 721,471.86 = 214,566.84 : x
  2. Step 2: Convert to fraction form
    480,830.04/721,471.86 = 214,566.84/x
  3. Step 3: Cross multiply
    480,830.04x = 721,471.86 × 214,566.84
  4. Step 4: Simplify right side
    480,830.04x = 154,803,937,149.12
  5. Step 5: Solve for x
    x = 154,803,937,149.12/480,830.04
  6. Step 6: Final answer
    x = 321,951.47

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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.