Home / 516,459.20-774,733.44-142,482.20

Finding the Fourth Proportional to 516,459.20, 774,733.44 and 142,482.20

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Solution

The fourth proportional to 516,459.20, 774,733.44 and 142,482.20 is: 213,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,459.20 : 774,733.44 = 142,482.20 : x
  2. Step 2: Convert to fraction form
    516,459.20/774,733.44 = 142,482.20/x
  3. Step 3: Cross multiply
    516,459.20x = 774,733.44 × 142,482.20
  4. Step 4: Simplify right side
    516,459.20x = 110,385,721,071.10
  5. Step 5: Solve for x
    x = 110,385,721,071.10/516,459.20
  6. Step 6: Final answer
    x = 213,735.61

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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.