Home / 613,970.34-921,080.07-193,148.34

Finding the Fourth Proportional to 613,970.34, 921,080.07 and 193,148.34

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Solution

The fourth proportional to 613,970.34, 921,080.07 and 193,148.34 is: 289,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,970.34 : 921,080.07 = 193,148.34 : x
  2. Step 2: Convert to fraction form
    613,970.34/921,080.07 = 193,148.34/x
  3. Step 3: Cross multiply
    613,970.34x = 921,080.07 × 193,148.34
  4. Step 4: Simplify right side
    613,970.34x = 177,905,086,527.58
  5. Step 5: Solve for x
    x = 177,905,086,527.58/613,970.34
  6. Step 6: Final answer
    x = 289,761.70

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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.