Home / 1,338,526.93-2,007,643.50-391,906.93

Finding the Fourth Proportional to 1,338,526.93, 2,007,643.50 and 391,906.93

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Solution

The fourth proportional to 1,338,526.93, 2,007,643.50 and 391,906.93 is: 587,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,526.93 : 2,007,643.50 = 391,906.93 : x
  2. Step 2: Convert to fraction form
    1,338,526.93/2,007,643.50 = 391,906.93/x
  3. Step 3: Cross multiply
    1,338,526.93x = 2,007,643.50 × 391,906.93
  4. Step 4: Simplify right side
    1,338,526.93x = 786,809,400,619.46
  5. Step 5: Solve for x
    x = 786,809,400,619.46/1,338,526.93
  6. Step 6: Final answer
    x = 587,817.39

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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.