Home / 767,995.20-1,060,231.85-561,031.19

Finding the Fourth Proportional to 767,995.20, 1,060,231.85 and 561,031.19

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Solution

The fourth proportional to 767,995.20, 1,060,231.85 and 561,031.19 is: 774,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,995.20 : 1,060,231.85 = 561,031.19 : x
  2. Step 2: Convert to fraction form
    767,995.20/1,060,231.85 = 561,031.19/x
  3. Step 3: Cross multiply
    767,995.20x = 1,060,231.85 × 561,031.19
  4. Step 4: Simplify right side
    767,995.20x = 594,823,136,481.40
  5. Step 5: Solve for x
    x = 594,823,136,481.40/767,995.20
  6. Step 6: Final answer
    x = 774,514.13

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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.