Home / 868,208.67-1,197,069.30-638,065.26

Finding the Fourth Proportional to 868,208.67, 1,197,069.30 and 638,065.26

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Solution

The fourth proportional to 868,208.67, 1,197,069.30 and 638,065.26 is: 879,752.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,208.67 : 1,197,069.30 = 638,065.26 : x
  2. Step 2: Convert to fraction form
    868,208.67/1,197,069.30 = 638,065.26/x
  3. Step 3: Cross multiply
    868,208.67x = 1,197,069.30 × 638,065.26
  4. Step 4: Simplify right side
    868,208.67x = 763,808,334,142.52
  5. Step 5: Solve for x
    x = 763,808,334,142.52/868,208.67
  6. Step 6: Final answer
    x = 879,752.02

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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.