Home / 649,226.70-973,840.05-383,114.70

Finding the Fourth Proportional to 649,226.70, 973,840.05 and 383,114.70

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Solution

The fourth proportional to 649,226.70, 973,840.05 and 383,114.70 is: 574,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,226.70 : 973,840.05 = 383,114.70 : x
  2. Step 2: Convert to fraction form
    649,226.70/973,840.05 = 383,114.70/x
  3. Step 3: Cross multiply
    649,226.70x = 973,840.05 × 383,114.70
  4. Step 4: Simplify right side
    649,226.70x = 373,092,438,603.74
  5. Step 5: Solve for x
    x = 373,092,438,603.74/649,226.70
  6. Step 6: Final answer
    x = 574,672.05

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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.