Home / 527,213.38-790,656.54-190,210.23

Finding the Fourth Proportional to 527,213.38, 790,656.54 and 190,210.23

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Solution

The fourth proportional to 527,213.38, 790,656.54 and 190,210.23 is: 285,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,213.38 : 790,656.54 = 190,210.23 : x
  2. Step 2: Convert to fraction form
    527,213.38/790,656.54 = 190,210.23/x
  3. Step 3: Cross multiply
    527,213.38x = 790,656.54 × 190,210.23
  4. Step 4: Simplify right side
    527,213.38x = 150,390,962,324.40
  5. Step 5: Solve for x
    x = 150,390,962,324.40/527,213.38
  6. Step 6: Final answer
    x = 285,256.35

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Double scale
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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.