Home / 864,467.76-1,191,856.58-708,845.66

Finding the Fourth Proportional to 864,467.76, 1,191,856.58 and 708,845.66

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Solution

The fourth proportional to 864,467.76, 1,191,856.58 and 708,845.66 is: 977,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,467.76 : 1,191,856.58 = 708,845.66 : x
  2. Step 2: Convert to fraction form
    864,467.76/1,191,856.58 = 708,845.66/x
  3. Step 3: Cross multiply
    864,467.76x = 1,191,856.58 × 708,845.66
  4. Step 4: Simplify right side
    864,467.76x = 844,842,364,075.44
  5. Step 5: Solve for x
    x = 844,842,364,075.44/864,467.76
  6. Step 6: Final answer
    x = 977,297.71

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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.