Home / 1,291,577.68-1,937,368.14-617,500.54

Finding the Fourth Proportional to 1,291,577.68, 1,937,368.14 and 617,500.54

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Solution

The fourth proportional to 1,291,577.68, 1,937,368.14 and 617,500.54 is: 926,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,577.68 : 1,937,368.14 = 617,500.54 : x
  2. Step 2: Convert to fraction form
    1,291,577.68/1,937,368.14 = 617,500.54/x
  3. Step 3: Cross multiply
    1,291,577.68x = 1,937,368.14 × 617,500.54
  4. Step 4: Simplify right side
    1,291,577.68x = 1,196,325,872,628.80
  5. Step 5: Solve for x
    x = 1,196,325,872,628.80/1,291,577.68
  6. Step 6: Final answer
    x = 926,251.58

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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.