Home / 951,138.30-1,312,581.51-543,294.21

Finding the Fourth Proportional to 951,138.30, 1,312,581.51 and 543,294.21

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Solution

The fourth proportional to 951,138.30, 1,312,581.51 and 543,294.21 is: 749,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,138.30 : 1,312,581.51 = 543,294.21 : x
  2. Step 2: Convert to fraction form
    951,138.30/1,312,581.51 = 543,294.21/x
  3. Step 3: Cross multiply
    951,138.30x = 1,312,581.51 × 543,294.21
  4. Step 4: Simplify right side
    951,138.30x = 713,117,934,536.06
  5. Step 5: Solve for x
    x = 713,117,934,536.06/951,138.30
  6. Step 6: Final answer
    x = 749,752.10

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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.