Home / 926,615.07-1,281,168.77-811,563.84

Finding the Fourth Proportional to 926,615.07, 1,281,168.77 and 811,563.84

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Solution

The fourth proportional to 926,615.07, 1,281,168.77 and 811,563.84 is: 1,122,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,615.07 : 1,281,168.77 = 811,563.84 : x
  2. Step 2: Convert to fraction form
    926,615.07/1,281,168.77 = 811,563.84/x
  3. Step 3: Cross multiply
    926,615.07x = 1,281,168.77 × 811,563.84
  4. Step 4: Simplify right side
    926,615.07x = 1,039,750,242,611.46
  5. Step 5: Solve for x
    x = 1,039,750,242,611.46/926,615.07
  6. Step 6: Final answer
    x = 1,122,095.11

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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.