Home / 856,381.76-1,182,197.28-611,551.04

Finding the Fourth Proportional to 856,381.76, 1,182,197.28 and 611,551.04

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Solution

The fourth proportional to 856,381.76, 1,182,197.28 and 611,551.04 is: 844,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,381.76 : 1,182,197.28 = 611,551.04 : x
  2. Step 2: Convert to fraction form
    856,381.76/1,182,197.28 = 611,551.04/x
  3. Step 3: Cross multiply
    856,381.76x = 1,182,197.28 × 611,551.04
  4. Step 4: Simplify right side
    856,381.76x = 722,973,976,069.17
  5. Step 5: Solve for x
    x = 722,973,976,069.17/856,381.76
  6. Step 6: Final answer
    x = 844,219.26

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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.