Home / 1,291,740.94-1,936,354.47-617,647.39

Finding the Fourth Proportional to 1,291,740.94, 1,936,354.47 and 617,647.39

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Solution

The fourth proportional to 1,291,740.94, 1,936,354.47 and 617,647.39 is: 925,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,740.94 : 1,936,354.47 = 617,647.39 : x
  2. Step 2: Convert to fraction form
    1,291,740.94/1,936,354.47 = 617,647.39/x
  3. Step 3: Cross multiply
    1,291,740.94x = 1,936,354.47 × 617,647.39
  4. Step 4: Simplify right side
    1,291,740.94x = 1,195,984,284,510.33
  5. Step 5: Solve for x
    x = 1,195,984,284,510.33/1,291,740.94
  6. Step 6: Final answer
    x = 925,870.08

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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.