Home / 987,164.25-1,480,746.59-356,078.00

Finding the Fourth Proportional to 987,164.25, 1,480,746.59 and 356,078.00

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Solution

The fourth proportional to 987,164.25, 1,480,746.59 and 356,078.00 is: 534,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,164.25 : 1,480,746.59 = 356,078.00 : x
  2. Step 2: Convert to fraction form
    987,164.25/1,480,746.59 = 356,078.00/x
  3. Step 3: Cross multiply
    987,164.25x = 1,480,746.59 × 356,078.00
  4. Step 4: Simplify right side
    987,164.25x = 527,261,275,089.90
  5. Step 5: Solve for x
    x = 527,261,275,089.90/987,164.25
  6. Step 6: Final answer
    x = 534,117.07

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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.