Home / 437,548.60-656,841.30-434,438.20

Finding the Fourth Proportional to 437,548.60, 656,841.30 and 434,438.20

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Solution

The fourth proportional to 437,548.60, 656,841.30 and 434,438.20 is: 652,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,548.60 : 656,841.30 = 434,438.20 : x
  2. Step 2: Convert to fraction form
    437,548.60/656,841.30 = 434,438.20/x
  3. Step 3: Cross multiply
    437,548.60x = 656,841.30 × 434,438.20
  4. Step 4: Simplify right side
    437,548.60x = 285,356,952,057.66
  5. Step 5: Solve for x
    x = 285,356,952,057.66/437,548.60
  6. Step 6: Final answer
    x = 652,172.01

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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.