Home / 791,319.05-1,091,622.13-519,349.19

Finding the Fourth Proportional to 791,319.05, 1,091,622.13 and 519,349.19

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Solution

The fourth proportional to 791,319.05, 1,091,622.13 and 519,349.19 is: 716,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,319.05 : 1,091,622.13 = 519,349.19 : x
  2. Step 2: Convert to fraction form
    791,319.05/1,091,622.13 = 519,349.19/x
  3. Step 3: Cross multiply
    791,319.05x = 1,091,622.13 × 519,349.19
  4. Step 4: Simplify right side
    791,319.05x = 566,933,070,432.26
  5. Step 5: Solve for x
    x = 566,933,070,432.26/791,319.05
  6. Step 6: Final answer
    x = 716,440.57

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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.