Home / 526,865.09-790,269.80-147,812.22

Finding the Fourth Proportional to 526,865.09, 790,269.80 and 147,812.22

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Solution

The fourth proportional to 526,865.09, 790,269.80 and 147,812.22 is: 221,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,865.09 : 790,269.80 = 147,812.22 : x
  2. Step 2: Convert to fraction form
    526,865.09/790,269.80 = 147,812.22/x
  3. Step 3: Cross multiply
    526,865.09x = 790,269.80 × 147,812.22
  4. Step 4: Simplify right side
    526,865.09x = 116,811,532,797.90
  5. Step 5: Solve for x
    x = 116,811,532,797.90/526,865.09
  6. Step 6: Final answer
    x = 221,710.52

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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.