Home / 666,350.72-999,525.27-217,070.85

Finding the Fourth Proportional to 666,350.72, 999,525.27 and 217,070.85

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Solution

The fourth proportional to 666,350.72, 999,525.27 and 217,070.85 is: 325,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,350.72 : 999,525.27 = 217,070.85 : x
  2. Step 2: Convert to fraction form
    666,350.72/999,525.27 = 217,070.85/x
  3. Step 3: Cross multiply
    666,350.72x = 999,525.27 × 217,070.85
  4. Step 4: Simplify right side
    666,350.72x = 216,967,799,955.38
  5. Step 5: Solve for x
    x = 216,967,799,955.38/666,350.72
  6. Step 6: Final answer
    x = 325,606.01

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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.