Home / 527,209.40-790,650.56-190,206.25

Finding the Fourth Proportional to 527,209.40, 790,650.56 and 190,206.25

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Solution

The fourth proportional to 527,209.40, 790,650.56 and 190,206.25 is: 285,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,209.40 : 790,650.56 = 190,206.25 : x
  2. Step 2: Convert to fraction form
    527,209.40/790,650.56 = 190,206.25/x
  3. Step 3: Cross multiply
    527,209.40x = 790,650.56 × 190,206.25
  4. Step 4: Simplify right side
    527,209.40x = 150,386,676,576.89
  5. Step 5: Solve for x
    x = 150,386,676,576.89/527,209.40
  6. Step 6: Final answer
    x = 285,250.37

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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.