Home / 516,015.60-774,023.40-136,935.60

Finding the Fourth Proportional to 516,015.60, 774,023.40 and 136,935.60

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Solution

The fourth proportional to 516,015.60, 774,023.40 and 136,935.60 is: 205,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,015.60 : 774,023.40 = 136,935.60 : x
  2. Step 2: Convert to fraction form
    516,015.60/774,023.40 = 136,935.60/x
  3. Step 3: Cross multiply
    516,015.60x = 774,023.40 × 136,935.60
  4. Step 4: Simplify right side
    516,015.60x = 105,991,358,693.04
  5. Step 5: Solve for x
    x = 105,991,358,693.04/516,015.60
  6. Step 6: Final answer
    x = 205,403.40

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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.