Home / 917,759.41-1,376,166.13-411,886.60

Finding the Fourth Proportional to 917,759.41, 1,376,166.13 and 411,886.60

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Solution

The fourth proportional to 917,759.41, 1,376,166.13 and 411,886.60 is: 617,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,759.41 : 1,376,166.13 = 411,886.60 : x
  2. Step 2: Convert to fraction form
    917,759.41/1,376,166.13 = 411,886.60/x
  3. Step 3: Cross multiply
    917,759.41x = 1,376,166.13 × 411,886.60
  4. Step 4: Simplify right side
    917,759.41x = 566,824,388,320.86
  5. Step 5: Solve for x
    x = 566,824,388,320.86/917,759.41
  6. Step 6: Final answer
    x = 617,617.63

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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.