Home / 867,928.68-1,197,844.02-485,881.74

Finding the Fourth Proportional to 867,928.68, 1,197,844.02 and 485,881.74

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Solution

The fourth proportional to 867,928.68, 1,197,844.02 and 485,881.74 is: 670,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,928.68 : 1,197,844.02 = 485,881.74 : x
  2. Step 2: Convert to fraction form
    867,928.68/1,197,844.02 = 485,881.74/x
  3. Step 3: Cross multiply
    867,928.68x = 1,197,844.02 × 485,881.74
  4. Step 4: Simplify right side
    867,928.68x = 582,010,536,686.20
  5. Step 5: Solve for x
    x = 582,010,536,686.20/867,928.68
  6. Step 6: Final answer
    x = 670,574.15

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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.