Home / 551,426.04-760,876.38-325,040.76

Finding the Fourth Proportional to 551,426.04, 760,876.38 and 325,040.76

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Solution

The fourth proportional to 551,426.04, 760,876.38 and 325,040.76 is: 448,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,426.04 : 760,876.38 = 325,040.76 : x
  2. Step 2: Convert to fraction form
    551,426.04/760,876.38 = 325,040.76/x
  3. Step 3: Cross multiply
    551,426.04x = 760,876.38 × 325,040.76
  4. Step 4: Simplify right side
    551,426.04x = 247,315,836,821.25
  5. Step 5: Solve for x
    x = 247,315,836,821.25/551,426.04
  6. Step 6: Final answer
    x = 448,502.28

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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.