Home / 859,415.04-1,185,578.10-572,568.12

Finding the Fourth Proportional to 859,415.04, 1,185,578.10 and 572,568.12

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Solution

The fourth proportional to 859,415.04, 1,185,578.10 and 572,568.12 is: 789,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,415.04 : 1,185,578.10 = 572,568.12 : x
  2. Step 2: Convert to fraction form
    859,415.04/1,185,578.10 = 572,568.12/x
  3. Step 3: Cross multiply
    859,415.04x = 1,185,578.10 × 572,568.12
  4. Step 4: Simplify right side
    859,415.04x = 678,824,223,830.17
  5. Step 5: Solve for x
    x = 678,824,223,830.17/859,415.04
  6. Step 6: Final answer
    x = 789,867.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.