Home / 403,228.80-556,221.60-241,991.28

Finding the Fourth Proportional to 403,228.80, 556,221.60 and 241,991.28

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Solution

The fourth proportional to 403,228.80, 556,221.60 and 241,991.28 is: 333,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,228.80 : 556,221.60 = 241,991.28 : x
  2. Step 2: Convert to fraction form
    403,228.80/556,221.60 = 241,991.28/x
  3. Step 3: Cross multiply
    403,228.80x = 556,221.60 × 241,991.28
  4. Step 4: Simplify right side
    403,228.80x = 134,600,776,947.65
  5. Step 5: Solve for x
    x = 134,600,776,947.65/403,228.80
  6. Step 6: Final answer
    x = 333,807.45

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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.