Home / 666,337.10-999,504.88-217,057.25

Finding the Fourth Proportional to 666,337.10, 999,504.88 and 217,057.25

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Solution

The fourth proportional to 666,337.10, 999,504.88 and 217,057.25 is: 325,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,337.10 : 999,504.88 = 217,057.25 : x
  2. Step 2: Convert to fraction form
    666,337.10/999,504.88 = 217,057.25/x
  3. Step 3: Cross multiply
    666,337.10x = 999,504.88 × 217,057.25
  4. Step 4: Simplify right side
    666,337.10x = 216,949,778,495.79
  5. Step 5: Solve for x
    x = 216,949,778,495.79/666,337.10
  6. Step 6: Final answer
    x = 325,585.62

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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.