Home / 1,191,427.54-1,644,186.65-647,563.16

Finding the Fourth Proportional to 1,191,427.54, 1,644,186.65 and 647,563.16

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Solution

The fourth proportional to 1,191,427.54, 1,644,186.65 and 647,563.16 is: 893,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,427.54 : 1,644,186.65 = 647,563.16 : x
  2. Step 2: Convert to fraction form
    1,191,427.54/1,644,186.65 = 647,563.16/x
  3. Step 3: Cross multiply
    1,191,427.54x = 1,644,186.65 × 647,563.16
  4. Step 4: Simplify right side
    1,191,427.54x = 1,064,714,703,576.46
  5. Step 5: Solve for x
    x = 1,064,714,703,576.46/1,191,427.54
  6. Step 6: Final answer
    x = 893,646.21

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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.