Home / 1,610,720.96-2,222,799.36-885,642.80

Finding the Fourth Proportional to 1,610,720.96, 2,222,799.36 and 885,642.80

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Solution

The fourth proportional to 1,610,720.96, 2,222,799.36 and 885,642.80 is: 1,222,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,720.96 : 2,222,799.36 = 885,642.80 : x
  2. Step 2: Convert to fraction form
    1,610,720.96/2,222,799.36 = 885,642.80/x
  3. Step 3: Cross multiply
    1,610,720.96x = 2,222,799.36 × 885,642.80
  4. Step 4: Simplify right side
    1,610,720.96x = 1,968,606,249,028.61
  5. Step 5: Solve for x
    x = 1,968,606,249,028.61/1,610,720.96
  6. Step 6: Final answer
    x = 1,222,189.50

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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.