Home / 722,256.30-1,083,384.45-543,797.10

Finding the Fourth Proportional to 722,256.30, 1,083,384.45 and 543,797.10

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Solution

The fourth proportional to 722,256.30, 1,083,384.45 and 543,797.10 is: 815,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,256.30 : 1,083,384.45 = 543,797.10 : x
  2. Step 2: Convert to fraction form
    722,256.30/1,083,384.45 = 543,797.10/x
  3. Step 3: Cross multiply
    722,256.30x = 1,083,384.45 × 543,797.10
  4. Step 4: Simplify right side
    722,256.30x = 589,141,322,095.10
  5. Step 5: Solve for x
    x = 589,141,322,095.10/722,256.30
  6. Step 6: Final answer
    x = 815,695.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.