Home / 951,136.36-1,312,352.58-645,254.44

Finding the Fourth Proportional to 951,136.36, 1,312,352.58 and 645,254.44

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Solution

The fourth proportional to 951,136.36, 1,312,352.58 and 645,254.44 is: 890,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,136.36 : 1,312,352.58 = 645,254.44 : x
  2. Step 2: Convert to fraction form
    951,136.36/1,312,352.58 = 645,254.44/x
  3. Step 3: Cross multiply
    951,136.36x = 1,312,352.58 × 645,254.44
  4. Step 4: Simplify right side
    951,136.36x = 846,801,329,090.46
  5. Step 5: Solve for x
    x = 846,801,329,090.46/951,136.36
  6. Step 6: Final answer
    x = 890,304.87

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Double scale
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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.