Home / 744,011.10-1,116,016.65-520,062.30

Finding the Fourth Proportional to 744,011.10, 1,116,016.65 and 520,062.30

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Solution

The fourth proportional to 744,011.10, 1,116,016.65 and 520,062.30 is: 780,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,011.10 : 1,116,016.65 = 520,062.30 : x
  2. Step 2: Convert to fraction form
    744,011.10/1,116,016.65 = 520,062.30/x
  3. Step 3: Cross multiply
    744,011.10x = 1,116,016.65 × 520,062.30
  4. Step 4: Simplify right side
    744,011.10x = 580,398,185,837.30
  5. Step 5: Solve for x
    x = 580,398,185,837.30/744,011.10
  6. Step 6: Final answer
    x = 780,093.45

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