Home / 592,145.40-887,634.90-292,672.20

Finding the Fourth Proportional to 592,145.40, 887,634.90 and 292,672.20

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Solution

The fourth proportional to 592,145.40, 887,634.90 and 292,672.20 is: 438,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,145.40 : 887,634.90 = 292,672.20 : x
  2. Step 2: Convert to fraction form
    592,145.40/887,634.90 = 292,672.20/x
  3. Step 3: Cross multiply
    592,145.40x = 887,634.90 × 292,672.20
  4. Step 4: Simplify right side
    592,145.40x = 259,786,058,979.78
  5. Step 5: Solve for x
    x = 259,786,058,979.78/592,145.40
  6. Step 6: Final answer
    x = 438,720.05

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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.