Home / 828,434.91-1,143,232.96-465,851.04

Finding the Fourth Proportional to 828,434.91, 1,143,232.96 and 465,851.04

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Solution

The fourth proportional to 828,434.91, 1,143,232.96 and 465,851.04 is: 642,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,434.91 : 1,143,232.96 = 465,851.04 : x
  2. Step 2: Convert to fraction form
    828,434.91/1,143,232.96 = 465,851.04/x
  3. Step 3: Cross multiply
    828,434.91x = 1,143,232.96 × 465,851.04
  4. Step 4: Simplify right side
    828,434.91x = 532,576,262,213.65
  5. Step 5: Solve for x
    x = 532,576,262,213.65/828,434.91
  6. Step 6: Final answer
    x = 642,870.38

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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.