Home / 1,206,708.72-1,665,160.92-697,444.08

Finding the Fourth Proportional to 1,206,708.72, 1,665,160.92 and 697,444.08

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Solution

The fourth proportional to 1,206,708.72, 1,665,160.92 and 697,444.08 is: 962,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,708.72 : 1,665,160.92 = 697,444.08 : x
  2. Step 2: Convert to fraction form
    1,206,708.72/1,665,160.92 = 697,444.08/x
  3. Step 3: Cross multiply
    1,206,708.72x = 1,665,160.92 × 697,444.08
  4. Step 4: Simplify right side
    1,206,708.72x = 1,161,356,625,901.35
  5. Step 5: Solve for x
    x = 1,161,356,625,901.35/1,206,708.72
  6. Step 6: Final answer
    x = 962,416.70

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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.