Home / 407,934.12-562,989.06-235,859.40

Finding the Fourth Proportional to 407,934.12, 562,989.06 and 235,859.40

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Solution

The fourth proportional to 407,934.12, 562,989.06 and 235,859.40 is: 325,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,934.12 : 562,989.06 = 235,859.40 : x
  2. Step 2: Convert to fraction form
    407,934.12/562,989.06 = 235,859.40/x
  3. Step 3: Cross multiply
    407,934.12x = 562,989.06 × 235,859.40
  4. Step 4: Simplify right side
    407,934.12x = 132,786,261,898.16
  5. Step 5: Solve for x
    x = 132,786,261,898.16/407,934.12
  6. Step 6: Final answer
    x = 325,509.08

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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.