Home / 728,686.05-1,093,061.90-223,210.18

Finding the Fourth Proportional to 728,686.05, 1,093,061.90 and 223,210.18

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Solution

The fourth proportional to 728,686.05, 1,093,061.90 and 223,210.18 is: 334,825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,686.05 : 1,093,061.90 = 223,210.18 : x
  2. Step 2: Convert to fraction form
    728,686.05/1,093,061.90 = 223,210.18/x
  3. Step 3: Cross multiply
    728,686.05x = 1,093,061.90 × 223,210.18
  4. Step 4: Simplify right side
    728,686.05x = 243,982,543,450.14
  5. Step 5: Solve for x
    x = 243,982,543,450.14/728,686.05
  6. Step 6: Final answer
    x = 334,825.32

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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.