Home / 526,870.20-790,305.34-127,511.04

Finding the Fourth Proportional to 526,870.20, 790,305.34 and 127,511.04

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Solution

The fourth proportional to 526,870.20, 790,305.34 and 127,511.04 is: 191,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,870.20 : 790,305.34 = 127,511.04 : x
  2. Step 2: Convert to fraction form
    526,870.20/790,305.34 = 127,511.04/x
  3. Step 3: Cross multiply
    526,870.20x = 790,305.34 × 127,511.04
  4. Step 4: Simplify right side
    526,870.20x = 100,772,655,820.95
  5. Step 5: Solve for x
    x = 100,772,655,820.95/526,870.20
  6. Step 6: Final answer
    x = 191,266.57

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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.