Home / 1,243,942.85-1,717,170.80-836,281.13

Finding the Fourth Proportional to 1,243,942.85, 1,717,170.80 and 836,281.13

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Solution

The fourth proportional to 1,243,942.85, 1,717,170.80 and 836,281.13 is: 1,154,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,942.85 : 1,717,170.80 = 836,281.13 : x
  2. Step 2: Convert to fraction form
    1,243,942.85/1,717,170.80 = 836,281.13/x
  3. Step 3: Cross multiply
    1,243,942.85x = 1,717,170.80 × 836,281.13
  4. Step 4: Simplify right side
    1,243,942.85x = 1,436,037,537,027.00
  5. Step 5: Solve for x
    x = 1,436,037,537,027.00/1,243,942.85
  6. Step 6: Final answer
    x = 1,154,424.05

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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.