Home / 669,923.56-924,535.87-383,437.09

Finding the Fourth Proportional to 669,923.56, 924,535.87 and 383,437.09

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Solution

The fourth proportional to 669,923.56, 924,535.87 and 383,437.09 is: 529,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,923.56 : 924,535.87 = 383,437.09 : x
  2. Step 2: Convert to fraction form
    669,923.56/924,535.87 = 383,437.09/x
  3. Step 3: Cross multiply
    669,923.56x = 924,535.87 × 383,437.09
  4. Step 4: Simplify right side
    669,923.56x = 354,501,345,947.33
  5. Step 5: Solve for x
    x = 354,501,345,947.33/669,923.56
  6. Step 6: Final answer
    x = 529,166.86

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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.