Home / 624,152.10-935,681.40-423,822.90

Finding the Fourth Proportional to 624,152.10, 935,681.40 and 423,822.90

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Solution

The fourth proportional to 624,152.10, 935,681.40 and 423,822.90 is: 635,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,152.10 : 935,681.40 = 423,822.90 : x
  2. Step 2: Convert to fraction form
    624,152.10/935,681.40 = 423,822.90/x
  3. Step 3: Cross multiply
    624,152.10x = 935,681.40 × 423,822.90
  4. Step 4: Simplify right side
    624,152.10x = 396,563,204,424.06
  5. Step 5: Solve for x
    x = 396,563,204,424.06/624,152.10
  6. Step 6: Final answer
    x = 635,363.09

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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.