Home / 886,787.59-1,330,314.23-287,549.59

Finding the Fourth Proportional to 886,787.59, 1,330,314.23 and 287,549.59

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Solution

The fourth proportional to 886,787.59, 1,330,314.23 and 287,549.59 is: 431,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,787.59 : 1,330,314.23 = 287,549.59 : x
  2. Step 2: Convert to fraction form
    886,787.59/1,330,314.23 = 287,549.59/x
  3. Step 3: Cross multiply
    886,787.59x = 1,330,314.23 × 287,549.59
  4. Step 4: Simplify right side
    886,787.59x = 382,531,311,407.67
  5. Step 5: Solve for x
    x = 382,531,311,407.67/886,787.59
  6. Step 6: Final answer
    x = 431,367.46

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Double scale
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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.