Home / 641,052.15-961,578.23-641,052.15

Finding the Fourth Proportional to 641,052.15, 961,578.23 and 641,052.15

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Solution

The fourth proportional to 641,052.15, 961,578.23 and 641,052.15 is: 961,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,052.15 : 961,578.23 = 641,052.15 : x
  2. Step 2: Convert to fraction form
    641,052.15/961,578.23 = 641,052.15/x
  3. Step 3: Cross multiply
    641,052.15x = 961,578.23 × 641,052.15
  4. Step 4: Simplify right side
    641,052.15x = 616,421,788,529.43
  5. Step 5: Solve for x
    x = 616,421,788,529.43/641,052.15
  6. Step 6: Final answer
    x = 961,578.23

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Double scale
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Similar ratio
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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.