Home / 624,152.60-935,682.15-423,823.40

Finding the Fourth Proportional to 624,152.60, 935,682.15 and 423,823.40

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Solution

The fourth proportional to 624,152.60, 935,682.15 and 423,823.40 is: 635,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,152.60 : 935,682.15 = 423,823.40 : x
  2. Step 2: Convert to fraction form
    624,152.60/935,682.15 = 423,823.40/x
  3. Step 3: Cross multiply
    624,152.60x = 935,682.15 × 423,823.40
  4. Step 4: Simplify right side
    624,152.60x = 396,563,990,132.31
  5. Step 5: Solve for x
    x = 396,563,990,132.31/624,152.60
  6. Step 6: Final answer
    x = 635,363.84

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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.