Home / 828,984.31-1,143,990.25-461,455.62

Finding the Fourth Proportional to 828,984.31, 1,143,990.25 and 461,455.62

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Solution

The fourth proportional to 828,984.31, 1,143,990.25 and 461,455.62 is: 636,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,984.31 : 1,143,990.25 = 461,455.62 : x
  2. Step 2: Convert to fraction form
    828,984.31/1,143,990.25 = 461,455.62/x
  3. Step 3: Cross multiply
    828,984.31x = 1,143,990.25 × 461,455.62
  4. Step 4: Simplify right side
    828,984.31x = 527,900,730,087.71
  5. Step 5: Solve for x
    x = 527,900,730,087.71/828,984.31
  6. Step 6: Final answer
    x = 636,804.25

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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.