Home / 1,281,176.18-1,767,953.73-708,179.45

Finding the Fourth Proportional to 1,281,176.18, 1,767,953.73 and 708,179.45

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Solution

The fourth proportional to 1,281,176.18, 1,767,953.73 and 708,179.45 is: 977,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,176.18 : 1,767,953.73 = 708,179.45 : x
  2. Step 2: Convert to fraction form
    1,281,176.18/1,767,953.73 = 708,179.45/x
  3. Step 3: Cross multiply
    1,281,176.18x = 1,767,953.73 × 708,179.45
  4. Step 4: Simplify right side
    1,281,176.18x = 1,252,028,491,297.08
  5. Step 5: Solve for x
    x = 1,252,028,491,297.08/1,281,176.18
  6. Step 6: Final answer
    x = 977,249.28

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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.