Home / 1,191,196.77-1,643,846.13-647,322.27

Finding the Fourth Proportional to 1,191,196.77, 1,643,846.13 and 647,322.27

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Solution

The fourth proportional to 1,191,196.77, 1,643,846.13 and 647,322.27 is: 893,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,196.77 : 1,643,846.13 = 647,322.27 : x
  2. Step 2: Convert to fraction form
    1,191,196.77/1,643,846.13 = 647,322.27/x
  3. Step 3: Cross multiply
    1,191,196.77x = 1,643,846.13 × 647,322.27
  4. Step 4: Simplify right side
    1,191,196.77x = 1,064,098,208,402.32
  5. Step 5: Solve for x
    x = 1,064,098,208,402.32/1,191,196.77
  6. Step 6: Final answer
    x = 893,301.79

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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.