Home / 527,981.39-791,622.26-190,977.70

Finding the Fourth Proportional to 527,981.39, 791,622.26 and 190,977.70

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Solution

The fourth proportional to 527,981.39, 791,622.26 and 190,977.70 is: 286,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,981.39 : 791,622.26 = 190,977.70 : x
  2. Step 2: Convert to fraction form
    527,981.39/791,622.26 = 190,977.70/x
  3. Step 3: Cross multiply
    527,981.39x = 791,622.26 × 190,977.70
  4. Step 4: Simplify right side
    527,981.39x = 151,182,193,570.60
  5. Step 5: Solve for x
    x = 151,182,193,570.60/527,981.39
  6. Step 6: Final answer
    x = 286,340.00

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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.