Home / 679,342.08-936,610.56-437,191.68

Finding the Fourth Proportional to 679,342.08, 936,610.56 and 437,191.68

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Solution

The fourth proportional to 679,342.08, 936,610.56 and 437,191.68 is: 602,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,342.08 : 936,610.56 = 437,191.68 : x
  2. Step 2: Convert to fraction form
    679,342.08/936,610.56 = 437,191.68/x
  3. Step 3: Cross multiply
    679,342.08x = 936,610.56 × 437,191.68
  4. Step 4: Simplify right side
    679,342.08x = 409,478,344,232.14
  5. Step 5: Solve for x
    x = 409,478,344,232.14/679,342.08
  6. Step 6: Final answer
    x = 602,757.22

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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.