Home / 1,136,690.76-1,568,521.50-627,360.30

Finding the Fourth Proportional to 1,136,690.76, 1,568,521.50 and 627,360.30

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Solution

The fourth proportional to 1,136,690.76, 1,568,521.50 and 627,360.30 is: 865,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,690.76 : 1,568,521.50 = 627,360.30 : x
  2. Step 2: Convert to fraction form
    1,136,690.76/1,568,521.50 = 627,360.30/x
  3. Step 3: Cross multiply
    1,136,690.76x = 1,568,521.50 × 627,360.30
  4. Step 4: Simplify right side
    1,136,690.76x = 984,028,118,796.45
  5. Step 5: Solve for x
    x = 984,028,118,796.45/1,136,690.76
  6. Step 6: Final answer
    x = 865,695.54

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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.