Home / 859,264.40-1,185,767.16-477,282.80

Finding the Fourth Proportional to 859,264.40, 1,185,767.16 and 477,282.80

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Solution

The fourth proportional to 859,264.40, 1,185,767.16 and 477,282.80 is: 658,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,264.40 : 1,185,767.16 = 477,282.80 : x
  2. Step 2: Convert to fraction form
    859,264.40/1,185,767.16 = 477,282.80/x
  3. Step 3: Cross multiply
    859,264.40x = 1,185,767.16 × 477,282.80
  4. Step 4: Simplify right side
    859,264.40x = 565,946,270,272.85
  5. Step 5: Solve for x
    x = 565,946,270,272.85/859,264.40
  6. Step 6: Final answer
    x = 658,640.43

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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.