Home / 879,287.22-1,318,928.79-577,585.80

Finding the Fourth Proportional to 879,287.22, 1,318,928.79 and 577,585.80

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Solution

The fourth proportional to 879,287.22, 1,318,928.79 and 577,585.80 is: 866,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,287.22 : 1,318,928.79 = 577,585.80 : x
  2. Step 2: Convert to fraction form
    879,287.22/1,318,928.79 = 577,585.80/x
  3. Step 3: Cross multiply
    879,287.22x = 1,318,928.79 × 577,585.80
  4. Step 4: Simplify right side
    879,287.22x = 761,794,540,315.18
  5. Step 5: Solve for x
    x = 761,794,540,315.18/879,287.22
  6. Step 6: Final answer
    x = 866,377.36

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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.