Home / 1,681,784.84-2,320,557.50-993,568.74

Finding the Fourth Proportional to 1,681,784.84, 2,320,557.50 and 993,568.74

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Solution

The fourth proportional to 1,681,784.84, 2,320,557.50 and 993,568.74 is: 1,370,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,784.84 : 2,320,557.50 = 993,568.74 : x
  2. Step 2: Convert to fraction form
    1,681,784.84/2,320,557.50 = 993,568.74/x
  3. Step 3: Cross multiply
    1,681,784.84x = 2,320,557.50 × 993,568.74
  4. Step 4: Simplify right side
    1,681,784.84x = 2,305,633,386,404.71
  5. Step 5: Solve for x
    x = 2,305,633,386,404.71/1,681,784.84
  6. Step 6: Final answer
    x = 1,370,944.33

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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.