Home / 826,001.46-1,139,950.73-458,513.19

Finding the Fourth Proportional to 826,001.46, 1,139,950.73 and 458,513.19

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Solution

The fourth proportional to 826,001.46, 1,139,950.73 and 458,513.19 is: 632,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,001.46 : 1,139,950.73 = 458,513.19 : x
  2. Step 2: Convert to fraction form
    826,001.46/1,139,950.73 = 458,513.19/x
  3. Step 3: Cross multiply
    826,001.46x = 1,139,950.73 × 458,513.19
  4. Step 4: Simplify right side
    826,001.46x = 522,682,445,655.13
  5. Step 5: Solve for x
    x = 522,682,445,655.13/826,001.46
  6. Step 6: Final answer
    x = 632,786.35

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Double scale
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Similar ratio
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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.