Home / 863,799.59-1,295,699.39-442,806.95

Finding the Fourth Proportional to 863,799.59, 1,295,699.39 and 442,806.95

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Solution

The fourth proportional to 863,799.59, 1,295,699.39 and 442,806.95 is: 664,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,799.59 : 1,295,699.39 = 442,806.95 : x
  2. Step 2: Convert to fraction form
    863,799.59/1,295,699.39 = 442,806.95/x
  3. Step 3: Cross multiply
    863,799.59x = 1,295,699.39 × 442,806.95
  4. Step 4: Simplify right side
    863,799.59x = 573,744,697,688.50
  5. Step 5: Solve for x
    x = 573,744,697,688.50/863,799.59
  6. Step 6: Final answer
    x = 664,210.43

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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.