Home / 1,663,422.06-2,295,555.72-938,127.80

Finding the Fourth Proportional to 1,663,422.06, 2,295,555.72 and 938,127.80

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Solution

The fourth proportional to 1,663,422.06, 2,295,555.72 and 938,127.80 is: 1,294,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,422.06 : 2,295,555.72 = 938,127.80 : x
  2. Step 2: Convert to fraction form
    1,663,422.06/2,295,555.72 = 938,127.80/x
  3. Step 3: Cross multiply
    1,663,422.06x = 2,295,555.72 × 938,127.80
  4. Step 4: Simplify right side
    1,663,422.06x = 2,153,524,637,381.02
  5. Step 5: Solve for x
    x = 2,153,524,637,381.02/1,663,422.06
  6. Step 6: Final answer
    x = 1,294,635.13

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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.