Home / 1,187,095.36-1,638,156-677,698.24

Finding the Fourth Proportional to 1,187,095.36, 1,638,156 and 677,698.24

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Solution

The fourth proportional to 1,187,095.36, 1,638,156 and 677,698.24 is: 935,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,095.36 : 1,638,156 = 677,698.24 : x
  2. Step 2: Convert to fraction form
    1,187,095.36/1,638,156 = 677,698.24/x
  3. Step 3: Cross multiply
    1,187,095.36x = 1,638,156 × 677,698.24
  4. Step 4: Simplify right side
    1,187,095.36x = 1,110,175,438,045.44
  5. Step 5: Solve for x
    x = 1,110,175,438,045.44/1,187,095.36
  6. Step 6: Final answer
    x = 935,203.25

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Half scale
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Double scale
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Similar ratio
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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.