Home / 1,191,370.05-1,644,101.43-647,507.13

Finding the Fourth Proportional to 1,191,370.05, 1,644,101.43 and 647,507.13

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Solution

The fourth proportional to 1,191,370.05, 1,644,101.43 and 647,507.13 is: 893,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,370.05 : 1,644,101.43 = 647,507.13 : x
  2. Step 2: Convert to fraction form
    1,191,370.05/1,644,101.43 = 647,507.13/x
  3. Step 3: Cross multiply
    1,191,370.05x = 1,644,101.43 × 647,507.13
  4. Step 4: Simplify right side
    1,191,370.05x = 1,064,567,398,368.20
  5. Step 5: Solve for x
    x = 1,064,567,398,368.20/1,191,370.05
  6. Step 6: Final answer
    x = 893,565.69

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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.