Home / 857,072.46-1,182,769.59-489,598.24

Finding the Fourth Proportional to 857,072.46, 1,182,769.59 and 489,598.24

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Solution

The fourth proportional to 857,072.46, 1,182,769.59 and 489,598.24 is: 675,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,072.46 : 1,182,769.59 = 489,598.24 : x
  2. Step 2: Convert to fraction form
    857,072.46/1,182,769.59 = 489,598.24/x
  3. Step 3: Cross multiply
    857,072.46x = 1,182,769.59 × 489,598.24
  4. Step 4: Simplify right side
    857,072.46x = 579,081,910,686.28
  5. Step 5: Solve for x
    x = 579,081,910,686.28/857,072.46
  6. Step 6: Final answer
    x = 675,651.06

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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.