Home / 466,780.20-698,420.70-309,316.20

Finding the Fourth Proportional to 466,780.20, 698,420.70 and 309,316.20

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Solution

The fourth proportional to 466,780.20, 698,420.70 and 309,316.20 is: 462,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,780.20 : 698,420.70 = 309,316.20 : x
  2. Step 2: Convert to fraction form
    466,780.20/698,420.70 = 309,316.20/x
  3. Step 3: Cross multiply
    466,780.20x = 698,420.70 × 309,316.20
  4. Step 4: Simplify right side
    466,780.20x = 216,032,836,925.34
  5. Step 5: Solve for x
    x = 216,032,836,925.34/466,780.20
  6. Step 6: Final answer
    x = 462,814.91

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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.