Home / 1,048,977.66-1,447,818.42-666,929.82

Finding the Fourth Proportional to 1,048,977.66, 1,447,818.42 and 666,929.82

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Solution

The fourth proportional to 1,048,977.66, 1,447,818.42 and 666,929.82 is: 920,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,977.66 : 1,447,818.42 = 666,929.82 : x
  2. Step 2: Convert to fraction form
    1,048,977.66/1,447,818.42 = 666,929.82/x
  3. Step 3: Cross multiply
    1,048,977.66x = 1,447,818.42 × 666,929.82
  4. Step 4: Simplify right side
    1,048,977.66x = 965,593,278,243.28
  5. Step 5: Solve for x
    x = 965,593,278,243.28/1,048,977.66
  6. Step 6: Final answer
    x = 920,508.91

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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.