Home / 527,121.36-790,682.02-127,762.13

Finding the Fourth Proportional to 527,121.36, 790,682.02 and 127,762.13

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Solution

The fourth proportional to 527,121.36, 790,682.02 and 127,762.13 is: 191,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,121.36 : 790,682.02 = 127,762.13 : x
  2. Step 2: Convert to fraction form
    527,121.36/790,682.02 = 127,762.13/x
  3. Step 3: Cross multiply
    527,121.36x = 790,682.02 × 127,762.13
  4. Step 4: Simplify right side
    527,121.36x = 101,019,220,685.20
  5. Step 5: Solve for x
    x = 101,019,220,685.20/527,121.36
  6. Step 6: Final answer
    x = 191,643.19

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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.