Home / 1,908,721.77-2,863,007.92-646,549.39

Finding the Fourth Proportional to 1,908,721.77, 2,863,007.92 and 646,549.39

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Solution

The fourth proportional to 1,908,721.77, 2,863,007.92 and 646,549.39 is: 969,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,721.77 : 2,863,007.92 = 646,549.39 : x
  2. Step 2: Convert to fraction form
    1,908,721.77/2,863,007.92 = 646,549.39/x
  3. Step 3: Cross multiply
    1,908,721.77x = 2,863,007.92 × 646,549.39
  4. Step 4: Simplify right side
    1,908,721.77x = 1,851,076,024,241.17
  5. Step 5: Solve for x
    x = 1,851,076,024,241.17/1,908,721.77
  6. Step 6: Final answer
    x = 969,798.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.