Home / 419,106.06-578,350.29-237,807.17

Finding the Fourth Proportional to 419,106.06, 578,350.29 and 237,807.17

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Solution

The fourth proportional to 419,106.06, 578,350.29 and 237,807.17 is: 328,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,106.06 : 578,350.29 = 237,807.17 : x
  2. Step 2: Convert to fraction form
    419,106.06/578,350.29 = 237,807.17/x
  3. Step 3: Cross multiply
    419,106.06x = 578,350.29 × 237,807.17
  4. Step 4: Simplify right side
    419,106.06x = 137,535,845,733.58
  5. Step 5: Solve for x
    x = 137,535,845,733.58/419,106.06
  6. Step 6: Final answer
    x = 328,164.77

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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.