Home / 908,136.12-1,360,104.60-876,643.32

Finding the Fourth Proportional to 908,136.12, 1,360,104.60 and 876,643.32

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Solution

The fourth proportional to 908,136.12, 1,360,104.60 and 876,643.32 is: 1,312,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,136.12 : 1,360,104.60 = 876,643.32 : x
  2. Step 2: Convert to fraction form
    908,136.12/1,360,104.60 = 876,643.32/x
  3. Step 3: Cross multiply
    908,136.12x = 1,360,104.60 × 876,643.32
  4. Step 4: Simplify right side
    908,136.12x = 1,192,326,612,091.27
  5. Step 5: Solve for x
    x = 1,192,326,612,091.27/908,136.12
  6. Step 6: Final answer
    x = 1,312,938.21

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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.