Home / 1,186,345.71-1,778,764.32-1,006,493.11

Finding the Fourth Proportional to 1,186,345.71, 1,778,764.32 and 1,006,493.11

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Solution

The fourth proportional to 1,186,345.71, 1,778,764.32 and 1,006,493.11 is: 1,509,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,345.71 : 1,778,764.32 = 1,006,493.11 : x
  2. Step 2: Convert to fraction form
    1,186,345.71/1,778,764.32 = 1,006,493.11/x
  3. Step 3: Cross multiply
    1,186,345.71x = 1,778,764.32 × 1,006,493.11
  4. Step 4: Simplify right side
    1,186,345.71x = 1,790,314,027,946.92
  5. Step 5: Solve for x
    x = 1,790,314,027,946.92/1,186,345.71
  6. Step 6: Final answer
    x = 1,509,099.76

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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.