Home / 1,055,299.92-1,456,340.50-647,626.92

Finding the Fourth Proportional to 1,055,299.92, 1,456,340.50 and 647,626.92

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Solution

The fourth proportional to 1,055,299.92, 1,456,340.50 and 647,626.92 is: 893,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,299.92 : 1,456,340.50 = 647,626.92 : x
  2. Step 2: Convert to fraction form
    1,055,299.92/1,456,340.50 = 647,626.92/x
  3. Step 3: Cross multiply
    1,055,299.92x = 1,456,340.50 × 647,626.92
  4. Step 4: Simplify right side
    1,055,299.92x = 943,165,312,486.26
  5. Step 5: Solve for x
    x = 943,165,312,486.26/1,055,299.92
  6. Step 6: Final answer
    x = 893,741.48

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Double scale
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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.