Home / 669,927.55-924,541.38-383,441.08

Finding the Fourth Proportional to 669,927.55, 924,541.38 and 383,441.08

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Solution

The fourth proportional to 669,927.55, 924,541.38 and 383,441.08 is: 529,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,927.55 : 924,541.38 = 383,441.08 : x
  2. Step 2: Convert to fraction form
    669,927.55/924,541.38 = 383,441.08/x
  3. Step 3: Cross multiply
    669,927.55x = 924,541.38 × 383,441.08
  4. Step 4: Simplify right side
    669,927.55x = 354,507,145,251.89
  5. Step 5: Solve for x
    x = 354,507,145,251.89/669,927.55
  6. Step 6: Final answer
    x = 529,172.36

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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.