Home / 656,779.62-985,179.16-433,569.54

Finding the Fourth Proportional to 656,779.62, 985,179.16 and 433,569.54

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Solution

The fourth proportional to 656,779.62, 985,179.16 and 433,569.54 is: 650,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,779.62 : 985,179.16 = 433,569.54 : x
  2. Step 2: Convert to fraction form
    656,779.62/985,179.16 = 433,569.54/x
  3. Step 3: Cross multiply
    656,779.62x = 985,179.16 × 433,569.54
  4. Step 4: Simplify right side
    656,779.62x = 427,143,675,218.79
  5. Step 5: Solve for x
    x = 427,143,675,218.79/656,779.62
  6. Step 6: Final answer
    x = 650,360.73

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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.