Home / 1,262,980.08-1,894,719.20-409,892.64

Finding the Fourth Proportional to 1,262,980.08, 1,894,719.20 and 409,892.64

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Solution

The fourth proportional to 1,262,980.08, 1,894,719.20 and 409,892.64 is: 614,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,980.08 : 1,894,719.20 = 409,892.64 : x
  2. Step 2: Convert to fraction form
    1,262,980.08/1,894,719.20 = 409,892.64/x
  3. Step 3: Cross multiply
    1,262,980.08x = 1,894,719.20 × 409,892.64
  4. Step 4: Simplify right side
    1,262,980.08x = 776,631,454,946.69
  5. Step 5: Solve for x
    x = 776,631,454,946.69/1,262,980.08
  6. Step 6: Final answer
    x = 614,919.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.