Home / 1,270,999.71-1,753,993.41-698,039.91

Finding the Fourth Proportional to 1,270,999.71, 1,753,993.41 and 698,039.91

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Solution

The fourth proportional to 1,270,999.71, 1,753,993.41 and 698,039.91 is: 963,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,999.71 : 1,753,993.41 = 698,039.91 : x
  2. Step 2: Convert to fraction form
    1,270,999.71/1,753,993.41 = 698,039.91/x
  3. Step 3: Cross multiply
    1,270,999.71x = 1,753,993.41 × 698,039.91
  4. Step 4: Simplify right side
    1,270,999.71x = 1,224,357,402,056.99
  5. Step 5: Solve for x
    x = 1,224,357,402,056.99/1,270,999.71
  6. Step 6: Final answer
    x = 963,302.66

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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.