Home / 1,133,121.04-1,699,685.72-423,141.52

Finding the Fourth Proportional to 1,133,121.04, 1,699,685.72 and 423,141.52

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Solution

The fourth proportional to 1,133,121.04, 1,699,685.72 and 423,141.52 is: 634,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,121.04 : 1,699,685.72 = 423,141.52 : x
  2. Step 2: Convert to fraction form
    1,133,121.04/1,699,685.72 = 423,141.52/x
  3. Step 3: Cross multiply
    1,133,121.04x = 1,699,685.72 × 423,141.52
  4. Step 4: Simplify right side
    1,133,121.04x = 719,207,599,083.09
  5. Step 5: Solve for x
    x = 719,207,599,083.09/1,133,121.04
  6. Step 6: Final answer
    x = 634,713.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.