Home / 1,206,866.32-1,665,290.40-697,470.40

Finding the Fourth Proportional to 1,206,866.32, 1,665,290.40 and 697,470.40

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Solution

The fourth proportional to 1,206,866.32, 1,665,290.40 and 697,470.40 is: 962,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,866.32 : 1,665,290.40 = 697,470.40 : x
  2. Step 2: Convert to fraction form
    1,206,866.32/1,665,290.40 = 697,470.40/x
  3. Step 3: Cross multiply
    1,206,866.32x = 1,665,290.40 × 697,470.40
  4. Step 4: Simplify right side
    1,206,866.32x = 1,161,490,761,404.16
  5. Step 5: Solve for x
    x = 1,161,490,761,404.16/1,206,866.32
  6. Step 6: Final answer
    x = 962,402.17

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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.