Home / 1,191,416.57-1,644,171.52-647,552.20

Finding the Fourth Proportional to 1,191,416.57, 1,644,171.52 and 647,552.20

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Solution

The fourth proportional to 1,191,416.57, 1,644,171.52 and 647,552.20 is: 893,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,416.57 : 1,644,171.52 = 647,552.20 : x
  2. Step 2: Convert to fraction form
    1,191,416.57/1,644,171.52 = 647,552.20/x
  3. Step 3: Cross multiply
    1,191,416.57x = 1,644,171.52 × 647,552.20
  4. Step 4: Simplify right side
    1,191,416.57x = 1,064,686,876,732.49
  5. Step 5: Solve for x
    x = 1,064,686,876,732.49/1,191,416.57
  6. Step 6: Final answer
    x = 893,631.08

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Double scale
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1.5x scale

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.