Home / 613,510.30-919,838.43-271,768.16

Finding the Fourth Proportional to 613,510.30, 919,838.43 and 271,768.16

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Solution

The fourth proportional to 613,510.30, 919,838.43 and 271,768.16 is: 407,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,510.30 : 919,838.43 = 271,768.16 : x
  2. Step 2: Convert to fraction form
    613,510.30/919,838.43 = 271,768.16/x
  3. Step 3: Cross multiply
    613,510.30x = 919,838.43 × 271,768.16
  4. Step 4: Simplify right side
    613,510.30x = 249,982,799,917.99
  5. Step 5: Solve for x
    x = 249,982,799,917.99/613,510.30
  6. Step 6: Final answer
    x = 407,463.08

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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.