Home / 320,594.17-442,416.63-175,398.58

Finding the Fourth Proportional to 320,594.17, 442,416.63 and 175,398.58

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Solution

The fourth proportional to 320,594.17, 442,416.63 and 175,398.58 is: 242,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,594.17 : 442,416.63 = 175,398.58 : x
  2. Step 2: Convert to fraction form
    320,594.17/442,416.63 = 175,398.58/x
  3. Step 3: Cross multiply
    320,594.17x = 442,416.63 × 175,398.58
  4. Step 4: Simplify right side
    320,594.17x = 77,599,247,793.39
  5. Step 5: Solve for x
    x = 77,599,247,793.39/320,594.17
  6. Step 6: Final answer
    x = 242,048.22

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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.