Home / 527,212.38-790,655.04-190,209.23

Finding the Fourth Proportional to 527,212.38, 790,655.04 and 190,209.23

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Solution

The fourth proportional to 527,212.38, 790,655.04 and 190,209.23 is: 285,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,212.38 : 790,655.04 = 190,209.23 : x
  2. Step 2: Convert to fraction form
    527,212.38/790,655.04 = 190,209.23/x
  3. Step 3: Cross multiply
    527,212.38x = 790,655.04 × 190,209.23
  4. Step 4: Simplify right side
    527,212.38x = 150,389,882,400.74
  5. Step 5: Solve for x
    x = 150,389,882,400.74/527,212.38
  6. Step 6: Final answer
    x = 285,254.84

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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.