Home / 763,230.56-1,144,870.11-383,944.01

Finding the Fourth Proportional to 763,230.56, 1,144,870.11 and 383,944.01

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Solution

The fourth proportional to 763,230.56, 1,144,870.11 and 383,944.01 is: 575,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,230.56 : 1,144,870.11 = 383,944.01 : x
  2. Step 2: Convert to fraction form
    763,230.56/1,144,870.11 = 383,944.01/x
  3. Step 3: Cross multiply
    763,230.56x = 1,144,870.11 × 383,944.01
  4. Step 4: Simplify right side
    763,230.56x = 439,566,015,238.19
  5. Step 5: Solve for x
    x = 439,566,015,238.19/763,230.56
  6. Step 6: Final answer
    x = 575,928.22

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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.