Home / 419,036.41-578,259.16-228,045.70

Finding the Fourth Proportional to 419,036.41, 578,259.16 and 228,045.70

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Solution

The fourth proportional to 419,036.41, 578,259.16 and 228,045.70 is: 314,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,036.41 : 578,259.16 = 228,045.70 : x
  2. Step 2: Convert to fraction form
    419,036.41/578,259.16 = 228,045.70/x
  3. Step 3: Cross multiply
    419,036.41x = 578,259.16 × 228,045.70
  4. Step 4: Simplify right side
    419,036.41x = 131,869,514,923.61
  5. Step 5: Solve for x
    x = 131,869,514,923.61/419,036.41
  6. Step 6: Final answer
    x = 314,697.03

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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.