Home / 873,285.90-1,307,304.45-518,117.10

Finding the Fourth Proportional to 873,285.90, 1,307,304.45 and 518,117.10

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Solution

The fourth proportional to 873,285.90, 1,307,304.45 and 518,117.10 is: 775,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,285.90 : 1,307,304.45 = 518,117.10 : x
  2. Step 2: Convert to fraction form
    873,285.90/1,307,304.45 = 518,117.10/x
  3. Step 3: Cross multiply
    873,285.90x = 1,307,304.45 × 518,117.10
  4. Step 4: Simplify right side
    873,285.90x = 677,336,790,451.10
  5. Step 5: Solve for x
    x = 677,336,790,451.10/873,285.90
  6. Step 6: Final answer
    x = 775,618.60

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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.