Home / 939,077.30-1,294,899.64-697,807.46

Finding the Fourth Proportional to 939,077.30, 1,294,899.64 and 697,807.46

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Solution

The fourth proportional to 939,077.30, 1,294,899.64 and 697,807.46 is: 962,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,077.30 : 1,294,899.64 = 697,807.46 : x
  2. Step 2: Convert to fraction form
    939,077.30/1,294,899.64 = 697,807.46/x
  3. Step 3: Cross multiply
    939,077.30x = 1,294,899.64 × 697,807.46
  4. Step 4: Simplify right side
    939,077.30x = 903,590,628,743.31
  5. Step 5: Solve for x
    x = 903,590,628,743.31/939,077.30
  6. Step 6: Final answer
    x = 962,211.13

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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.