Home / 527,059.20-790,588.80-133,075.20

Finding the Fourth Proportional to 527,059.20, 790,588.80 and 133,075.20

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Solution

The fourth proportional to 527,059.20, 790,588.80 and 133,075.20 is: 199,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,059.20 : 790,588.80 = 133,075.20 : x
  2. Step 2: Convert to fraction form
    527,059.20/790,588.80 = 133,075.20/x
  3. Step 3: Cross multiply
    527,059.20x = 790,588.80 × 133,075.20
  4. Step 4: Simplify right side
    527,059.20x = 105,207,762,677.76
  5. Step 5: Solve for x
    x = 105,207,762,677.76/527,059.20
  6. Step 6: Final answer
    x = 199,612.80

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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.