Home / 734,501.10-1,101,751.65-654,321.90

Finding the Fourth Proportional to 734,501.10, 1,101,751.65 and 654,321.90

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Solution

The fourth proportional to 734,501.10, 1,101,751.65 and 654,321.90 is: 981,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,501.10 : 1,101,751.65 = 654,321.90 : x
  2. Step 2: Convert to fraction form
    734,501.10/1,101,751.65 = 654,321.90/x
  3. Step 3: Cross multiply
    734,501.10x = 1,101,751.65 × 654,321.90
  4. Step 4: Simplify right side
    734,501.10x = 720,900,232,956.14
  5. Step 5: Solve for x
    x = 720,900,232,956.14/734,501.10
  6. Step 6: Final answer
    x = 981,482.85

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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.