Home / 650,660.09-971,561.20-574,120.77

Finding the Fourth Proportional to 650,660.09, 971,561.20 and 574,120.77

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Solution

The fourth proportional to 650,660.09, 971,561.20 and 574,120.77 is: 857,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,660.09 : 971,561.20 = 574,120.77 : x
  2. Step 2: Convert to fraction form
    650,660.09/971,561.20 = 574,120.77/x
  3. Step 3: Cross multiply
    650,660.09x = 971,561.20 × 574,120.77
  4. Step 4: Simplify right side
    650,660.09x = 557,793,465,681.43
  5. Step 5: Solve for x
    x = 557,793,465,681.43/650,660.09
  6. Step 6: Final answer
    x = 857,273.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.