Home / 1,717,538.81-2,572,384.36-819,611.28

Finding the Fourth Proportional to 1,717,538.81, 2,572,384.36 and 819,611.28

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Solution

The fourth proportional to 1,717,538.81, 2,572,384.36 and 819,611.28 is: 1,227,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,538.81 : 2,572,384.36 = 819,611.28 : x
  2. Step 2: Convert to fraction form
    1,717,538.81/2,572,384.36 = 819,611.28/x
  3. Step 3: Cross multiply
    1,717,538.81x = 2,572,384.36 × 819,611.28
  4. Step 4: Simplify right side
    1,717,538.81x = 2,108,355,238,976.10
  5. Step 5: Solve for x
    x = 2,108,355,238,976.10/1,717,538.81
  6. Step 6: Final answer
    x = 1,227,544.46

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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.