Home / 612,748.80-919,058.40-192,002.40

Finding the Fourth Proportional to 612,748.80, 919,058.40 and 192,002.40

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Solution

The fourth proportional to 612,748.80, 919,058.40 and 192,002.40 is: 287,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,748.80 : 919,058.40 = 192,002.40 : x
  2. Step 2: Convert to fraction form
    612,748.80/919,058.40 = 192,002.40/x
  3. Step 3: Cross multiply
    612,748.80x = 919,058.40 × 192,002.40
  4. Step 4: Simplify right side
    612,748.80x = 176,461,418,540.16
  5. Step 5: Solve for x
    x = 176,461,418,540.16/612,748.80
  6. Step 6: Final answer
    x = 287,983.30

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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.