Home / 1,206,695.16-1,808,409.78-458,332.92

Finding the Fourth Proportional to 1,206,695.16, 1,808,409.78 and 458,332.92

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Solution

The fourth proportional to 1,206,695.16, 1,808,409.78 and 458,332.92 is: 686,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,695.16 : 1,808,409.78 = 458,332.92 : x
  2. Step 2: Convert to fraction form
    1,206,695.16/1,808,409.78 = 458,332.92/x
  3. Step 3: Cross multiply
    1,206,695.16x = 1,808,409.78 × 458,332.92
  4. Step 4: Simplify right side
    1,206,695.16x = 828,853,735,023.96
  5. Step 5: Solve for x
    x = 828,853,735,023.96/1,206,695.16
  6. Step 6: Final answer
    x = 686,879.14

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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.