Home / 666,629.15-919,945.68-360,706.12

Finding the Fourth Proportional to 666,629.15, 919,945.68 and 360,706.12

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Solution

The fourth proportional to 666,629.15, 919,945.68 and 360,706.12 is: 497,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,629.15 : 919,945.68 = 360,706.12 : x
  2. Step 2: Convert to fraction form
    666,629.15/919,945.68 = 360,706.12/x
  3. Step 3: Cross multiply
    666,629.15x = 919,945.68 × 360,706.12
  4. Step 4: Simplify right side
    666,629.15x = 331,830,030,440.30
  5. Step 5: Solve for x
    x = 331,830,030,440.30/666,629.15
  6. Step 6: Final answer
    x = 497,773.06

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1.5x scale

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.