Home / 866,149.32-1,299,603.77-411,069.23

Finding the Fourth Proportional to 866,149.32, 1,299,603.77 and 411,069.23

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Solution

The fourth proportional to 866,149.32, 1,299,603.77 and 411,069.23 is: 616,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,149.32 : 1,299,603.77 = 411,069.23 : x
  2. Step 2: Convert to fraction form
    866,149.32/1,299,603.77 = 411,069.23/x
  3. Step 3: Cross multiply
    866,149.32x = 1,299,603.77 × 411,069.23
  4. Step 4: Simplify right side
    866,149.32x = 534,227,112,485.63
  5. Step 5: Solve for x
    x = 534,227,112,485.63/866,149.32
  6. Step 6: Final answer
    x = 616,784.08

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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.