Home / 826,001.07-1,140,205.59-585,540.42

Finding the Fourth Proportional to 826,001.07, 1,140,205.59 and 585,540.42

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Solution

The fourth proportional to 826,001.07, 1,140,205.59 and 585,540.42 is: 808,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,001.07 : 1,140,205.59 = 585,540.42 : x
  2. Step 2: Convert to fraction form
    826,001.07/1,140,205.59 = 585,540.42/x
  3. Step 3: Cross multiply
    826,001.07x = 1,140,205.59 × 585,540.42
  4. Step 4: Simplify right side
    826,001.07x = 667,636,460,054.95
  5. Step 5: Solve for x
    x = 667,636,460,054.95/826,001.07
  6. Step 6: Final answer
    x = 808,275.54

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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.