Home / 1,281,297.15-1,768,226.96-708,374.22

Finding the Fourth Proportional to 1,281,297.15, 1,768,226.96 and 708,374.22

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Solution

The fourth proportional to 1,281,297.15, 1,768,226.96 and 708,374.22 is: 977,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,297.15 : 1,768,226.96 = 708,374.22 : x
  2. Step 2: Convert to fraction form
    1,281,297.15/1,768,226.96 = 708,374.22/x
  3. Step 3: Cross multiply
    1,281,297.15x = 1,768,226.96 × 708,374.22
  4. Step 4: Simplify right side
    1,281,297.15x = 1,252,566,390,031.10
  5. Step 5: Solve for x
    x = 1,252,566,390,031.10/1,281,297.15
  6. Step 6: Final answer
    x = 977,576.82

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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.