Home / 1,120,805.46-1,681,083.36-401,118.12

Finding the Fourth Proportional to 1,120,805.46, 1,681,083.36 and 401,118.12

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Solution

The fourth proportional to 1,120,805.46, 1,681,083.36 and 401,118.12 is: 601,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,805.46 : 1,681,083.36 = 401,118.12 : x
  2. Step 2: Convert to fraction form
    1,120,805.46/1,681,083.36 = 401,118.12/x
  3. Step 3: Cross multiply
    1,120,805.46x = 1,681,083.36 × 401,118.12
  4. Step 4: Simplify right side
    1,120,805.46x = 674,312,996,926.48
  5. Step 5: Solve for x
    x = 674,312,996,926.48/1,120,805.46
  6. Step 6: Final answer
    x = 601,632.51

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Double scale
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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.