Home / 1,681,569.14-2,320,614.43-917,671.91

Finding the Fourth Proportional to 1,681,569.14, 2,320,614.43 and 917,671.91

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Solution

The fourth proportional to 1,681,569.14, 2,320,614.43 and 917,671.91 is: 1,266,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,569.14 : 2,320,614.43 = 917,671.91 : x
  2. Step 2: Convert to fraction form
    1,681,569.14/2,320,614.43 = 917,671.91/x
  3. Step 3: Cross multiply
    1,681,569.14x = 2,320,614.43 × 917,671.91
  4. Step 4: Simplify right side
    1,681,569.14x = 2,129,562,662,454.41
  5. Step 5: Solve for x
    x = 2,129,562,662,454.41/1,681,569.14
  6. Step 6: Final answer
    x = 1,266,413.98

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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.