Home / 404,041.07-557,559.86-220,275.65

Finding the Fourth Proportional to 404,041.07, 557,559.86 and 220,275.65

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Solution

The fourth proportional to 404,041.07, 557,559.86 and 220,275.65 is: 303,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,041.07 : 557,559.86 = 220,275.65 : x
  2. Step 2: Convert to fraction form
    404,041.07/557,559.86 = 220,275.65/x
  3. Step 3: Cross multiply
    404,041.07x = 557,559.86 × 220,275.65
  4. Step 4: Simplify right side
    404,041.07x = 122,816,860,867.93
  5. Step 5: Solve for x
    x = 122,816,860,867.93/404,041.07
  6. Step 6: Final answer
    x = 303,971.23

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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.