Home / 451,753.40-623,439.24-270,430.24

Finding the Fourth Proportional to 451,753.40, 623,439.24 and 270,430.24

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Solution

The fourth proportional to 451,753.40, 623,439.24 and 270,430.24 is: 373,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,753.40 : 623,439.24 = 270,430.24 : x
  2. Step 2: Convert to fraction form
    451,753.40/623,439.24 = 270,430.24/x
  3. Step 3: Cross multiply
    451,753.40x = 623,439.24 × 270,430.24
  4. Step 4: Simplify right side
    451,753.40x = 168,596,823,298.62
  5. Step 5: Solve for x
    x = 168,596,823,298.62/451,753.40
  6. Step 6: Final answer
    x = 373,205.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.