Home / 464,724.20-697,086.30-413,985.80

Finding the Fourth Proportional to 464,724.20, 697,086.30 and 413,985.80

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Solution

The fourth proportional to 464,724.20, 697,086.30 and 413,985.80 is: 620,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,724.20 : 697,086.30 = 413,985.80 : x
  2. Step 2: Convert to fraction form
    464,724.20/697,086.30 = 413,985.80/x
  3. Step 3: Cross multiply
    464,724.20x = 697,086.30 × 413,985.80
  4. Step 4: Simplify right side
    464,724.20x = 288,583,829,574.54
  5. Step 5: Solve for x
    x = 288,583,829,574.54/464,724.20
  6. Step 6: Final answer
    x = 620,978.70

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1.5x scale

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.