Home / 1,163,400.88-1,605,513.28-647,196

Finding the Fourth Proportional to 1,163,400.88, 1,605,513.28 and 647,196

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Solution

The fourth proportional to 1,163,400.88, 1,605,513.28 and 647,196 is: 893,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,400.88 : 1,605,513.28 = 647,196 : x
  2. Step 2: Convert to fraction form
    1,163,400.88/1,605,513.28 = 647,196/x
  3. Step 3: Cross multiply
    1,163,400.88x = 1,605,513.28 × 647,196
  4. Step 4: Simplify right side
    1,163,400.88x = 1,039,081,772,762.88
  5. Step 5: Solve for x
    x = 1,039,081,772,762.88/1,163,400.88
  6. Step 6: Final answer
    x = 893,141.64

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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.