Home / 1,243,944.23-1,717,172.69-836,282.50

Finding the Fourth Proportional to 1,243,944.23, 1,717,172.69 and 836,282.50

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Solution

The fourth proportional to 1,243,944.23, 1,717,172.69 and 836,282.50 is: 1,154,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,944.23 : 1,717,172.69 = 836,282.50 : x
  2. Step 2: Convert to fraction form
    1,243,944.23/1,717,172.69 = 836,282.50/x
  3. Step 3: Cross multiply
    1,243,944.23x = 1,717,172.69 × 836,282.50
  4. Step 4: Simplify right side
    1,243,944.23x = 1,436,041,461,650.58
  5. Step 5: Solve for x
    x = 1,436,041,461,650.58/1,243,944.23
  6. Step 6: Final answer
    x = 1,154,425.92

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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.