Home / 758,366.70-1,136,772.45-442,661.10

Finding the Fourth Proportional to 758,366.70, 1,136,772.45 and 442,661.10

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Solution

The fourth proportional to 758,366.70, 1,136,772.45 and 442,661.10 is: 663,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,366.70 : 1,136,772.45 = 442,661.10 : x
  2. Step 2: Convert to fraction form
    758,366.70/1,136,772.45 = 442,661.10/x
  3. Step 3: Cross multiply
    758,366.70x = 1,136,772.45 × 442,661.10
  4. Step 4: Simplify right side
    758,366.70x = 503,204,943,166.70
  5. Step 5: Solve for x
    x = 503,204,943,166.70/758,366.70
  6. Step 6: Final answer
    x = 663,537.76

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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.