Home / 1,243,943.42-1,717,171.57-836,281.70

Finding the Fourth Proportional to 1,243,943.42, 1,717,171.57 and 836,281.70

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Solution

The fourth proportional to 1,243,943.42, 1,717,171.57 and 836,281.70 is: 1,154,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,943.42 : 1,717,171.57 = 836,281.70 : x
  2. Step 2: Convert to fraction form
    1,243,943.42/1,717,171.57 = 836,281.70/x
  3. Step 3: Cross multiply
    1,243,943.42x = 1,717,171.57 × 836,281.70
  4. Step 4: Simplify right side
    1,243,943.42x = 1,436,039,153,256.12
  5. Step 5: Solve for x
    x = 1,436,039,153,256.12/1,243,943.42
  6. Step 6: Final answer
    x = 1,154,424.82

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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.