Home / 842,216.82-1,162,314.48-474,784.62

Finding the Fourth Proportional to 842,216.82, 1,162,314.48 and 474,784.62

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Solution

The fourth proportional to 842,216.82, 1,162,314.48 and 474,784.62 is: 655,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,216.82 : 1,162,314.48 = 474,784.62 : x
  2. Step 2: Convert to fraction form
    842,216.82/1,162,314.48 = 474,784.62/x
  3. Step 3: Cross multiply
    842,216.82x = 1,162,314.48 × 474,784.62
  4. Step 4: Simplify right side
    842,216.82x = 551,849,038,707.30
  5. Step 5: Solve for x
    x = 551,849,038,707.30/842,216.82
  6. Step 6: Final answer
    x = 655,233.93

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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.