Home / 407,200.07-562,003.55-225,970.21

Finding the Fourth Proportional to 407,200.07, 562,003.55 and 225,970.21

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Solution

The fourth proportional to 407,200.07, 562,003.55 and 225,970.21 is: 311,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,200.07 : 562,003.55 = 225,970.21 : x
  2. Step 2: Convert to fraction form
    407,200.07/562,003.55 = 225,970.21/x
  3. Step 3: Cross multiply
    407,200.07x = 562,003.55 × 225,970.21
  4. Step 4: Simplify right side
    407,200.07x = 126,996,060,214.25
  5. Step 5: Solve for x
    x = 126,996,060,214.25/407,200.07
  6. Step 6: Final answer
    x = 311,876.32

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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.