Home / 1,110,928.68-1,666,395.45-401,457.78

Finding the Fourth Proportional to 1,110,928.68, 1,666,395.45 and 401,457.78

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Solution

The fourth proportional to 1,110,928.68, 1,666,395.45 and 401,457.78 is: 602,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,928.68 : 1,666,395.45 = 401,457.78 : x
  2. Step 2: Convert to fraction form
    1,110,928.68/1,666,395.45 = 401,457.78/x
  3. Step 3: Cross multiply
    1,110,928.68x = 1,666,395.45 × 401,457.78
  4. Step 4: Simplify right side
    1,110,928.68x = 668,987,417,959.10
  5. Step 5: Solve for x
    x = 668,987,417,959.10/1,110,928.68
  6. Step 6: Final answer
    x = 602,187.55

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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.