Home / 1,661,568.17-2,293,509.08-1,008,223.79

Finding the Fourth Proportional to 1,661,568.17, 2,293,509.08 and 1,008,223.79

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Solution

The fourth proportional to 1,661,568.17, 2,293,509.08 and 1,008,223.79 is: 1,391,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,568.17 : 2,293,509.08 = 1,008,223.79 : x
  2. Step 2: Convert to fraction form
    1,661,568.17/2,293,509.08 = 1,008,223.79/x
  3. Step 3: Cross multiply
    1,661,568.17x = 2,293,509.08 × 1,008,223.79
  4. Step 4: Simplify right side
    1,661,568.17x = 2,312,370,411,995.89
  5. Step 5: Solve for x
    x = 2,312,370,411,995.89/1,661,568.17
  6. Step 6: Final answer
    x = 1,391,679.53

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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.