Home / 447,713.40-671,570.10-148,240.20

Finding the Fourth Proportional to 447,713.40, 671,570.10 and 148,240.20

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Solution

The fourth proportional to 447,713.40, 671,570.10 and 148,240.20 is: 222,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,713.40 : 671,570.10 = 148,240.20 : x
  2. Step 2: Convert to fraction form
    447,713.40/671,570.10 = 148,240.20/x
  3. Step 3: Cross multiply
    447,713.40x = 671,570.10 × 148,240.20
  4. Step 4: Simplify right side
    447,713.40x = 99,553,685,938.02
  5. Step 5: Solve for x
    x = 99,553,685,938.02/447,713.40
  6. Step 6: Final answer
    x = 222,360.30

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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.