Home / 578,956.25-797,962.10-385,017.35

Finding the Fourth Proportional to 578,956.25, 797,962.10 and 385,017.35

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Solution

The fourth proportional to 578,956.25, 797,962.10 and 385,017.35 is: 530,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,956.25 : 797,962.10 = 385,017.35 : x
  2. Step 2: Convert to fraction form
    578,956.25/797,962.10 = 385,017.35/x
  3. Step 3: Cross multiply
    578,956.25x = 797,962.10 × 385,017.35
  4. Step 4: Simplify right side
    578,956.25x = 307,229,250,115.17
  5. Step 5: Solve for x
    x = 307,229,250,115.17/578,956.25
  6. Step 6: Final answer
    x = 530,660.56

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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.