Home / 613,088.60-919,678.86-163,799.42

Finding the Fourth Proportional to 613,088.60, 919,678.86 and 163,799.42

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Solution

The fourth proportional to 613,088.60, 919,678.86 and 163,799.42 is: 245,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,088.60 : 919,678.86 = 163,799.42 : x
  2. Step 2: Convert to fraction form
    613,088.60/919,678.86 = 163,799.42/x
  3. Step 3: Cross multiply
    613,088.60x = 919,678.86 × 163,799.42
  4. Step 4: Simplify right side
    613,088.60x = 150,642,859,255.87
  5. Step 5: Solve for x
    x = 150,642,859,255.87/613,088.60
  6. Step 6: Final answer
    x = 245,711.40

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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.