Home / 669,931.37-924,546.62-383,444.90

Finding the Fourth Proportional to 669,931.37, 924,546.62 and 383,444.90

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Solution

The fourth proportional to 669,931.37, 924,546.62 and 383,444.90 is: 529,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,931.37 : 924,546.62 = 383,444.90 : x
  2. Step 2: Convert to fraction form
    669,931.37/924,546.62 = 383,444.90/x
  3. Step 3: Cross multiply
    669,931.37x = 924,546.62 × 383,444.90
  4. Step 4: Simplify right side
    669,931.37x = 354,512,682,587.12
  5. Step 5: Solve for x
    x = 354,512,682,587.12/669,931.37
  6. Step 6: Final answer
    x = 529,177.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.