Home / 1,038,761.04-1,558,343.52-399,018

Finding the Fourth Proportional to 1,038,761.04, 1,558,343.52 and 399,018

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Solution

The fourth proportional to 1,038,761.04, 1,558,343.52 and 399,018 is: 598,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,761.04 : 1,558,343.52 = 399,018 : x
  2. Step 2: Convert to fraction form
    1,038,761.04/1,558,343.52 = 399,018/x
  3. Step 3: Cross multiply
    1,038,761.04x = 1,558,343.52 × 399,018
  4. Step 4: Simplify right side
    1,038,761.04x = 621,807,114,663.36
  5. Step 5: Solve for x
    x = 621,807,114,663.36/1,038,761.04
  6. Step 6: Final answer
    x = 598,604.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.