Home / 651,395.64-976,976.34-230,673.72

Finding the Fourth Proportional to 651,395.64, 976,976.34 and 230,673.72

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Solution

The fourth proportional to 651,395.64, 976,976.34 and 230,673.72 is: 345,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,395.64 : 976,976.34 = 230,673.72 : x
  2. Step 2: Convert to fraction form
    651,395.64/976,976.34 = 230,673.72/x
  3. Step 3: Cross multiply
    651,395.64x = 976,976.34 × 230,673.72
  4. Step 4: Simplify right side
    651,395.64x = 225,362,766,699.79
  5. Step 5: Solve for x
    x = 225,362,766,699.79/651,395.64
  6. Step 6: Final answer
    x = 345,969.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.