Home / 1,445,139.11-1,994,292-800,601.05

Finding the Fourth Proportional to 1,445,139.11, 1,994,292 and 800,601.05

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Solution

The fourth proportional to 1,445,139.11, 1,994,292 and 800,601.05 is: 1,104,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,139.11 : 1,994,292 = 800,601.05 : x
  2. Step 2: Convert to fraction form
    1,445,139.11/1,994,292 = 800,601.05/x
  3. Step 3: Cross multiply
    1,445,139.11x = 1,994,292 × 800,601.05
  4. Step 4: Simplify right side
    1,445,139.11x = 1,596,632,259,235.14
  5. Step 5: Solve for x
    x = 1,596,632,259,235.14/1,445,139.11
  6. Step 6: Final answer
    x = 1,104,829.46

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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.