Home / 1,136,643.40-1,568,456.22-627,312.88

Finding the Fourth Proportional to 1,136,643.40, 1,568,456.22 and 627,312.88

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Solution

The fourth proportional to 1,136,643.40, 1,568,456.22 and 627,312.88 is: 865,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,643.40 : 1,568,456.22 = 627,312.88 : x
  2. Step 2: Convert to fraction form
    1,136,643.40/1,568,456.22 = 627,312.88/x
  3. Step 3: Cross multiply
    1,136,643.40x = 1,568,456.22 × 627,312.88
  4. Step 4: Simplify right side
    1,136,643.40x = 983,912,788,522.11
  5. Step 5: Solve for x
    x = 983,912,788,522.11/1,136,643.40
  6. Step 6: Final answer
    x = 865,630.14

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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.