Home / 624,298.09-861,535.35-366,122.40

Finding the Fourth Proportional to 624,298.09, 861,535.35 and 366,122.40

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Solution

The fourth proportional to 624,298.09, 861,535.35 and 366,122.40 is: 505,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,298.09 : 861,535.35 = 366,122.40 : x
  2. Step 2: Convert to fraction form
    624,298.09/861,535.35 = 366,122.40/x
  3. Step 3: Cross multiply
    624,298.09x = 861,535.35 × 366,122.40
  4. Step 4: Simplify right side
    624,298.09x = 315,427,390,026.84
  5. Step 5: Solve for x
    x = 315,427,390,026.84/624,298.09
  6. Step 6: Final answer
    x = 505,251.25

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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.