Home / 687,058.20-1,030,587.30-576,833.40

Finding the Fourth Proportional to 687,058.20, 1,030,587.30 and 576,833.40

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Solution

The fourth proportional to 687,058.20, 1,030,587.30 and 576,833.40 is: 865,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,058.20 : 1,030,587.30 = 576,833.40 : x
  2. Step 2: Convert to fraction form
    687,058.20/1,030,587.30 = 576,833.40/x
  3. Step 3: Cross multiply
    687,058.20x = 1,030,587.30 × 576,833.40
  4. Step 4: Simplify right side
    687,058.20x = 594,477,176,255.82
  5. Step 5: Solve for x
    x = 594,477,176,255.82/687,058.20
  6. Step 6: Final answer
    x = 865,250.10

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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.