Home / 1,100,028-1,516,887.28-814,147.68

Finding the Fourth Proportional to 1,100,028, 1,516,887.28 and 814,147.68

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Solution

The fourth proportional to 1,100,028, 1,516,887.28 and 814,147.68 is: 1,122,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,028 : 1,516,887.28 = 814,147.68 : x
  2. Step 2: Convert to fraction form
    1,100,028/1,516,887.28 = 814,147.68/x
  3. Step 3: Cross multiply
    1,100,028x = 1,516,887.28 × 814,147.68
  4. Step 4: Simplify right side
    1,100,028x = 1,234,970,259,833.51
  5. Step 5: Solve for x
    x = 1,234,970,259,833.51/1,100,028
  6. Step 6: Final answer
    x = 1,122,671.66

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Half scale
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Double scale
Find fourth proportional to 1,100,029, 1,516,888.66 and 814,148.68
Similar ratio
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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.