Home / 1,223,544.27-1,688,761.17-679,866.96

Finding the Fourth Proportional to 1,223,544.27, 1,688,761.17 and 679,866.96

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Solution

The fourth proportional to 1,223,544.27, 1,688,761.17 and 679,866.96 is: 938,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,544.27 : 1,688,761.17 = 679,866.96 : x
  2. Step 2: Convert to fraction form
    1,223,544.27/1,688,761.17 = 679,866.96/x
  3. Step 3: Cross multiply
    1,223,544.27x = 1,688,761.17 × 679,866.96
  4. Step 4: Simplify right side
    1,223,544.27x = 1,148,132,922,813.94
  5. Step 5: Solve for x
    x = 1,148,132,922,813.94/1,223,544.27
  6. Step 6: Final answer
    x = 938,366.47

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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.