Home / 825,998.84-1,139,947.10-458,510.57

Finding the Fourth Proportional to 825,998.84, 1,139,947.10 and 458,510.57

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Solution

The fourth proportional to 825,998.84, 1,139,947.10 and 458,510.57 is: 632,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,998.84 : 1,139,947.10 = 458,510.57 : x
  2. Step 2: Convert to fraction form
    825,998.84/1,139,947.10 = 458,510.57/x
  3. Step 3: Cross multiply
    825,998.84x = 1,139,947.10 × 458,510.57
  4. Step 4: Simplify right side
    825,998.84x = 522,677,790,037.39
  5. Step 5: Solve for x
    x = 522,677,790,037.39/825,998.84
  6. Step 6: Final answer
    x = 632,782.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.