Home / 1,277,314.57-1,762,736.66-696,569.47

Finding the Fourth Proportional to 1,277,314.57, 1,762,736.66 and 696,569.47

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Solution

The fourth proportional to 1,277,314.57, 1,762,736.66 and 696,569.47 is: 961,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,314.57 : 1,762,736.66 = 696,569.47 : x
  2. Step 2: Convert to fraction form
    1,277,314.57/1,762,736.66 = 696,569.47/x
  3. Step 3: Cross multiply
    1,277,314.57x = 1,762,736.66 × 696,569.47
  4. Step 4: Simplify right side
    1,277,314.57x = 1,227,868,541,005.77
  5. Step 5: Solve for x
    x = 1,227,868,541,005.77/1,277,314.57
  6. Step 6: Final answer
    x = 961,289.07

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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.