Home / 527,136.02-790,697.03-127,780.30

Finding the Fourth Proportional to 527,136.02, 790,697.03 and 127,780.30

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Solution

The fourth proportional to 527,136.02, 790,697.03 and 127,780.30 is: 191,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,136.02 : 790,697.03 = 127,780.30 : x
  2. Step 2: Convert to fraction form
    527,136.02/790,697.03 = 127,780.30/x
  3. Step 3: Cross multiply
    527,136.02x = 790,697.03 × 127,780.30
  4. Step 4: Simplify right side
    527,136.02x = 101,035,499,749.02
  5. Step 5: Solve for x
    x = 101,035,499,749.02/527,136.02
  6. Step 6: Final answer
    x = 191,668.75

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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.