Home / 905,130.57-1,248,941.46-523,083.63

Finding the Fourth Proportional to 905,130.57, 1,248,941.46 and 523,083.63

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Solution

The fourth proportional to 905,130.57, 1,248,941.46 and 523,083.63 is: 721,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,130.57 : 1,248,941.46 = 523,083.63 : x
  2. Step 2: Convert to fraction form
    905,130.57/1,248,941.46 = 523,083.63/x
  3. Step 3: Cross multiply
    905,130.57x = 1,248,941.46 × 523,083.63
  4. Step 4: Simplify right side
    905,130.57x = 653,300,832,554.30
  5. Step 5: Solve for x
    x = 653,300,832,554.30/905,130.57
  6. Step 6: Final answer
    x = 721,775.24

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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.