Home / 1,658,705.09-2,289,086.70-933,599.78

Finding the Fourth Proportional to 1,658,705.09, 2,289,086.70 and 933,599.78

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Solution

The fourth proportional to 1,658,705.09, 2,289,086.70 and 933,599.78 is: 1,288,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,705.09 : 2,289,086.70 = 933,599.78 : x
  2. Step 2: Convert to fraction form
    1,658,705.09/2,289,086.70 = 933,599.78/x
  3. Step 3: Cross multiply
    1,658,705.09x = 2,289,086.70 × 933,599.78
  4. Step 4: Simplify right side
    1,658,705.09x = 2,137,090,839,520.93
  5. Step 5: Solve for x
    x = 2,137,090,839,520.93/1,658,705.09
  6. Step 6: Final answer
    x = 1,288,409.16

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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.