Home / 1,191,392.54-1,644,134.32-647,528.37

Finding the Fourth Proportional to 1,191,392.54, 1,644,134.32 and 647,528.37

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Solution

The fourth proportional to 1,191,392.54, 1,644,134.32 and 647,528.37 is: 893,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,392.54 : 1,644,134.32 = 647,528.37 : x
  2. Step 2: Convert to fraction form
    1,191,392.54/1,644,134.32 = 647,528.37/x
  3. Step 3: Cross multiply
    1,191,392.54x = 1,644,134.32 × 647,528.37
  4. Step 4: Simplify right side
    1,191,392.54x = 1,064,623,616,290.66
  5. Step 5: Solve for x
    x = 1,064,623,616,290.66/1,191,392.54
  6. Step 6: Final answer
    x = 893,596.01

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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.