Home / 866,092.45-1,195,103.26-478,855.55

Finding the Fourth Proportional to 866,092.45, 1,195,103.26 and 478,855.55

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Solution

The fourth proportional to 866,092.45, 1,195,103.26 and 478,855.55 is: 660,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,092.45 : 1,195,103.26 = 478,855.55 : x
  2. Step 2: Convert to fraction form
    866,092.45/1,195,103.26 = 478,855.55/x
  3. Step 3: Cross multiply
    866,092.45x = 1,195,103.26 × 478,855.55
  4. Step 4: Simplify right side
    866,092.45x = 572,281,828,874.09
  5. Step 5: Solve for x
    x = 572,281,828,874.09/866,092.45
  6. Step 6: Final answer
    x = 660,762.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.