Home / 1,136,670.67-1,568,493.84-627,340.24

Finding the Fourth Proportional to 1,136,670.67, 1,568,493.84 and 627,340.24

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Solution

The fourth proportional to 1,136,670.67, 1,568,493.84 and 627,340.24 is: 865,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,670.67 : 1,568,493.84 = 627,340.24 : x
  2. Step 2: Convert to fraction form
    1,136,670.67/1,568,493.84 = 627,340.24/x
  3. Step 3: Cross multiply
    1,136,670.67x = 1,568,493.84 × 627,340.24
  4. Step 4: Simplify right side
    1,136,670.67x = 983,979,298,102.89
  5. Step 5: Solve for x
    x = 983,979,298,102.89/1,136,670.67
  6. Step 6: Final answer
    x = 865,667.89

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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.