Home / 666,246.74-999,440.12-217,002.59

Finding the Fourth Proportional to 666,246.74, 999,440.12 and 217,002.59

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Solution

The fourth proportional to 666,246.74, 999,440.12 and 217,002.59 is: 325,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,246.74 : 999,440.12 = 217,002.59 : x
  2. Step 2: Convert to fraction form
    666,246.74/999,440.12 = 217,002.59/x
  3. Step 3: Cross multiply
    666,246.74x = 999,440.12 × 217,002.59
  4. Step 4: Simplify right side
    666,246.74x = 216,881,097,631.02
  5. Step 5: Solve for x
    x = 216,881,097,631.02/666,246.74
  6. Step 6: Final answer
    x = 325,526.69

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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.