Home / 1,191,324.28-1,644,040.20-647,460.10

Finding the Fourth Proportional to 1,191,324.28, 1,644,040.20 and 647,460.10

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Solution

The fourth proportional to 1,191,324.28, 1,644,040.20 and 647,460.10 is: 893,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,324.28 : 1,644,040.20 = 647,460.10 : x
  2. Step 2: Convert to fraction form
    1,191,324.28/1,644,040.20 = 647,460.10/x
  3. Step 3: Cross multiply
    1,191,324.28x = 1,644,040.20 × 647,460.10
  4. Step 4: Simplify right side
    1,191,324.28x = 1,064,450,432,296.02
  5. Step 5: Solve for x
    x = 1,064,450,432,296.02/1,191,324.28
  6. Step 6: Final answer
    x = 893,501.84

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Double scale
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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.