Home / 831,517.47-1,147,081.55-537,065.91

Finding the Fourth Proportional to 831,517.47, 1,147,081.55 and 537,065.91

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Solution

The fourth proportional to 831,517.47, 1,147,081.55 and 537,065.91 is: 740,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,517.47 : 1,147,081.55 = 537,065.91 : x
  2. Step 2: Convert to fraction form
    831,517.47/1,147,081.55 = 537,065.91/x
  3. Step 3: Cross multiply
    831,517.47x = 1,147,081.55 × 537,065.91
  4. Step 4: Simplify right side
    831,517.47x = 616,058,393,809.63
  5. Step 5: Solve for x
    x = 616,058,393,809.63/831,517.47
  6. Step 6: Final answer
    x = 740,884.49

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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.