Home / 668,719.50-922,849.11-366,913.50

Finding the Fourth Proportional to 668,719.50, 922,849.11 and 366,913.50

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Solution

The fourth proportional to 668,719.50, 922,849.11 and 366,913.50 is: 506,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,719.50 : 922,849.11 = 366,913.50 : x
  2. Step 2: Convert to fraction form
    668,719.50/922,849.11 = 366,913.50/x
  3. Step 3: Cross multiply
    668,719.50x = 922,849.11 × 366,913.50
  4. Step 4: Simplify right side
    668,719.50x = 338,605,796,921.99
  5. Step 5: Solve for x
    x = 338,605,796,921.99/668,719.50
  6. Step 6: Final answer
    x = 506,349.52

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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.