Home / 641,869.95-962,815.88-242,698.71

Finding the Fourth Proportional to 641,869.95, 962,815.88 and 242,698.71

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Solution

The fourth proportional to 641,869.95, 962,815.88 and 242,698.71 is: 364,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,869.95 : 962,815.88 = 242,698.71 : x
  2. Step 2: Convert to fraction form
    641,869.95/962,815.88 = 242,698.71/x
  3. Step 3: Cross multiply
    641,869.95x = 962,815.88 × 242,698.71
  4. Step 4: Simplify right side
    641,869.95x = 233,674,172,043.52
  5. Step 5: Solve for x
    x = 233,674,172,043.52/641,869.95
  6. Step 6: Final answer
    x = 364,052.21

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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.