Home / 623,823.40-934,422.90-518,847.40

Finding the Fourth Proportional to 623,823.40, 934,422.90 and 518,847.40

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Solution

The fourth proportional to 623,823.40, 934,422.90 and 518,847.40 is: 777,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,823.40 : 934,422.90 = 518,847.40 : x
  2. Step 2: Convert to fraction form
    623,823.40/934,422.90 = 518,847.40/x
  3. Step 3: Cross multiply
    623,823.40x = 934,422.90 × 518,847.40
  4. Step 4: Simplify right side
    623,823.40x = 484,822,892,165.46
  5. Step 5: Solve for x
    x = 484,822,892,165.46/623,823.40
  6. Step 6: Final answer
    x = 777,179.71

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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.