Home / 613,962.34-921,068.07-193,140.34

Finding the Fourth Proportional to 613,962.34, 921,068.07 and 193,140.34

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Solution

The fourth proportional to 613,962.34, 921,068.07 and 193,140.34 is: 289,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,962.34 : 921,068.07 = 193,140.34 : x
  2. Step 2: Convert to fraction form
    613,962.34/921,068.07 = 193,140.34/x
  3. Step 3: Cross multiply
    613,962.34x = 921,068.07 × 193,140.34
  4. Step 4: Simplify right side
    613,962.34x = 177,895,400,202.94
  5. Step 5: Solve for x
    x = 177,895,400,202.94/613,962.34
  6. Step 6: Final answer
    x = 289,749.69

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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.