Home / 520,373.41-718,151.61-290,975.38

Finding the Fourth Proportional to 520,373.41, 718,151.61 and 290,975.38

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Solution

The fourth proportional to 520,373.41, 718,151.61 and 290,975.38 is: 401,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,373.41 : 718,151.61 = 290,975.38 : x
  2. Step 2: Convert to fraction form
    520,373.41/718,151.61 = 290,975.38/x
  3. Step 3: Cross multiply
    520,373.41x = 718,151.61 × 290,975.38
  4. Step 4: Simplify right side
    520,373.41x = 208,964,437,617.36
  5. Step 5: Solve for x
    x = 208,964,437,617.36/520,373.41
  6. Step 6: Final answer
    x = 401,566.32

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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.