Home / 905,034.04-1,249,371.48-522,986.20

Finding the Fourth Proportional to 905,034.04, 1,249,371.48 and 522,986.20

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Solution

The fourth proportional to 905,034.04, 1,249,371.48 and 522,986.20 is: 721,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,034.04 : 1,249,371.48 = 522,986.20 : x
  2. Step 2: Convert to fraction form
    905,034.04/1,249,371.48 = 522,986.20/x
  3. Step 3: Cross multiply
    905,034.04x = 1,249,371.48 × 522,986.20
  4. Step 4: Simplify right side
    905,034.04x = 653,404,042,713.58
  5. Step 5: Solve for x
    x = 653,404,042,713.58/905,034.04
  6. Step 6: Final answer
    x = 721,966.26

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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.