Home / 1,447,570.64-1,997,726.28-938,709.20

Finding the Fourth Proportional to 1,447,570.64, 1,997,726.28 and 938,709.20

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Solution

The fourth proportional to 1,447,570.64, 1,997,726.28 and 938,709.20 is: 1,295,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,570.64 : 1,997,726.28 = 938,709.20 : x
  2. Step 2: Convert to fraction form
    1,447,570.64/1,997,726.28 = 938,709.20/x
  3. Step 3: Cross multiply
    1,447,570.64x = 1,997,726.28 × 938,709.20
  4. Step 4: Simplify right side
    1,447,570.64x = 1,875,284,038,117.78
  5. Step 5: Solve for x
    x = 1,875,284,038,117.78/1,447,570.64
  6. Step 6: Final answer
    x = 1,295,469.79

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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.