Home / 1,012,104.77-1,396,151.78-649,124.73

Finding the Fourth Proportional to 1,012,104.77, 1,396,151.78 and 649,124.73

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Solution

The fourth proportional to 1,012,104.77, 1,396,151.78 and 649,124.73 is: 895,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,104.77 : 1,396,151.78 = 649,124.73 : x
  2. Step 2: Convert to fraction form
    1,012,104.77/1,396,151.78 = 649,124.73/x
  3. Step 3: Cross multiply
    1,012,104.77x = 1,396,151.78 × 649,124.73
  4. Step 4: Simplify right side
    1,012,104.77x = 906,276,643,985.90
  5. Step 5: Solve for x
    x = 906,276,643,985.90/1,012,104.77
  6. Step 6: Final answer
    x = 895,437.58

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Double scale
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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.