Home / 790,852.26-1,091,373.95-428,276.02

Finding the Fourth Proportional to 790,852.26, 1,091,373.95 and 428,276.02

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Solution

The fourth proportional to 790,852.26, 1,091,373.95 and 428,276.02 is: 591,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,852.26 : 1,091,373.95 = 428,276.02 : x
  2. Step 2: Convert to fraction form
    790,852.26/1,091,373.95 = 428,276.02/x
  3. Step 3: Cross multiply
    790,852.26x = 1,091,373.95 × 428,276.02
  4. Step 4: Simplify right side
    790,852.26x = 467,409,297,691.76
  5. Step 5: Solve for x
    x = 467,409,297,691.76/790,852.26
  6. Step 6: Final answer
    x = 591,019.74

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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.