Home / 649,318.20-973,977.30-383,206.20

Finding the Fourth Proportional to 649,318.20, 973,977.30 and 383,206.20

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Solution

The fourth proportional to 649,318.20, 973,977.30 and 383,206.20 is: 574,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,318.20 : 973,977.30 = 383,206.20 : x
  2. Step 2: Convert to fraction form
    649,318.20/973,977.30 = 383,206.20/x
  3. Step 3: Cross multiply
    649,318.20x = 973,977.30 × 383,206.20
  4. Step 4: Simplify right side
    649,318.20x = 373,234,140,019.26
  5. Step 5: Solve for x
    x = 373,234,140,019.26/649,318.20
  6. Step 6: Final answer
    x = 574,809.30

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Half scale
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Double scale
Find fourth proportional to 649,319.20, 973,978.80 and 383,207.20
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.