Home / 487,734.12-673,303.20-366,921.51

Finding the Fourth Proportional to 487,734.12, 673,303.20 and 366,921.51

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Solution

The fourth proportional to 487,734.12, 673,303.20 and 366,921.51 is: 506,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,734.12 : 673,303.20 = 366,921.51 : x
  2. Step 2: Convert to fraction form
    487,734.12/673,303.20 = 366,921.51/x
  3. Step 3: Cross multiply
    487,734.12x = 673,303.20 × 366,921.51
  4. Step 4: Simplify right side
    487,734.12x = 247,049,426,831.83
  5. Step 5: Solve for x
    x = 247,049,426,831.83/487,734.12
  6. Step 6: Final answer
    x = 506,524.80

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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.