Home / 1,109,145.79-1,663,552.17-350,888.73

Finding the Fourth Proportional to 1,109,145.79, 1,663,552.17 and 350,888.73

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Solution

The fourth proportional to 1,109,145.79, 1,663,552.17 and 350,888.73 is: 526,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,145.79 : 1,663,552.17 = 350,888.73 : x
  2. Step 2: Convert to fraction form
    1,109,145.79/1,663,552.17 = 350,888.73/x
  3. Step 3: Cross multiply
    1,109,145.79x = 1,663,552.17 × 350,888.73
  4. Step 4: Simplify right side
    1,109,145.79x = 583,721,704,353.05
  5. Step 5: Solve for x
    x = 583,721,704,353.05/1,109,145.79
  6. Step 6: Final answer
    x = 526,280.41

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Double scale
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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.