Home / 779,106.48-1,168,659.72-188,130.48

Finding the Fourth Proportional to 779,106.48, 1,168,659.72 and 188,130.48

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Solution

The fourth proportional to 779,106.48, 1,168,659.72 and 188,130.48 is: 282,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,106.48 : 1,168,659.72 = 188,130.48 : x
  2. Step 2: Convert to fraction form
    779,106.48/1,168,659.72 = 188,130.48/x
  3. Step 3: Cross multiply
    779,106.48x = 1,168,659.72 × 188,130.48
  4. Step 4: Simplify right side
    779,106.48x = 219,860,514,080.27
  5. Step 5: Solve for x
    x = 219,860,514,080.27/779,106.48
  6. Step 6: Final answer
    x = 282,195.72

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.