Home / 649,266.20-973,899.30-383,154.20

Finding the Fourth Proportional to 649,266.20, 973,899.30 and 383,154.20

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Solution

The fourth proportional to 649,266.20, 973,899.30 and 383,154.20 is: 574,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,266.20 : 973,899.30 = 383,154.20 : x
  2. Step 2: Convert to fraction form
    649,266.20/973,899.30 = 383,154.20/x
  3. Step 3: Cross multiply
    649,266.20x = 973,899.30 × 383,154.20
  4. Step 4: Simplify right side
    649,266.20x = 373,153,607,172.06
  5. Step 5: Solve for x
    x = 373,153,607,172.06/649,266.20
  6. Step 6: Final answer
    x = 574,731.30

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Half scale
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Double scale
Find fourth proportional to 649,267.20, 973,900.80 and 383,155.20
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.