Home / 516,063.60-774,095.40-136,983.60

Finding the Fourth Proportional to 516,063.60, 774,095.40 and 136,983.60

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Solution

The fourth proportional to 516,063.60, 774,095.40 and 136,983.60 is: 205,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,063.60 : 774,095.40 = 136,983.60 : x
  2. Step 2: Convert to fraction form
    516,063.60/774,095.40 = 136,983.60/x
  3. Step 3: Cross multiply
    516,063.60x = 774,095.40 × 136,983.60
  4. Step 4: Simplify right side
    516,063.60x = 106,038,374,635.44
  5. Step 5: Solve for x
    x = 106,038,374,635.44/516,063.60
  6. Step 6: Final answer
    x = 205,475.40

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Similar ratio
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1.5x scale

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.