Home / 1,243,945.23-1,717,174.07-836,283.50

Finding the Fourth Proportional to 1,243,945.23, 1,717,174.07 and 836,283.50

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Solution

The fourth proportional to 1,243,945.23, 1,717,174.07 and 836,283.50 is: 1,154,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,945.23 : 1,717,174.07 = 836,283.50 : x
  2. Step 2: Convert to fraction form
    1,243,945.23/1,717,174.07 = 836,283.50/x
  3. Step 3: Cross multiply
    1,243,945.23x = 1,717,174.07 × 836,283.50
  4. Step 4: Simplify right side
    1,243,945.23x = 1,436,044,341,368.85
  5. Step 5: Solve for x
    x = 1,436,044,341,368.85/1,243,945.23
  6. Step 6: Final answer
    x = 1,154,427.31

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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.