Home / 763,561.80-1,145,342.70-595,600.20

Finding the Fourth Proportional to 763,561.80, 1,145,342.70 and 595,600.20

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Solution

The fourth proportional to 763,561.80, 1,145,342.70 and 595,600.20 is: 893,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,561.80 : 1,145,342.70 = 595,600.20 : x
  2. Step 2: Convert to fraction form
    763,561.80/1,145,342.70 = 595,600.20/x
  3. Step 3: Cross multiply
    763,561.80x = 1,145,342.70 × 595,600.20
  4. Step 4: Simplify right side
    763,561.80x = 682,166,341,188.54
  5. Step 5: Solve for x
    x = 682,166,341,188.54/763,561.80
  6. Step 6: Final answer
    x = 893,400.30

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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.