Home / 474,345.02-654,631.64-270,400.79

Finding the Fourth Proportional to 474,345.02, 654,631.64 and 270,400.79

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Solution

The fourth proportional to 474,345.02, 654,631.64 and 270,400.79 is: 373,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,345.02 : 654,631.64 = 270,400.79 : x
  2. Step 2: Convert to fraction form
    474,345.02/654,631.64 = 270,400.79/x
  3. Step 3: Cross multiply
    474,345.02x = 654,631.64 × 270,400.79
  4. Step 4: Simplify right side
    474,345.02x = 177,012,907,989.83
  5. Step 5: Solve for x
    x = 177,012,907,989.83/474,345.02
  6. Step 6: Final answer
    x = 373,173.33

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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.