Home / 643,024.11-964,191.02-216,417.64

Finding the Fourth Proportional to 643,024.11, 964,191.02 and 216,417.64

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Solution

The fourth proportional to 643,024.11, 964,191.02 and 216,417.64 is: 324,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,024.11 : 964,191.02 = 216,417.64 : x
  2. Step 2: Convert to fraction form
    643,024.11/964,191.02 = 216,417.64/x
  3. Step 3: Cross multiply
    643,024.11x = 964,191.02 × 216,417.64
  4. Step 4: Simplify right side
    643,024.11x = 208,667,945,057.59
  5. Step 5: Solve for x
    x = 208,667,945,057.59/643,024.11
  6. Step 6: Final answer
    x = 324,510.30

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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.