Home / 534,931.26-738,156.15-308,533.02

Finding the Fourth Proportional to 534,931.26, 738,156.15 and 308,533.02

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Solution

The fourth proportional to 534,931.26, 738,156.15 and 308,533.02 is: 425,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,931.26 : 738,156.15 = 308,533.02 : x
  2. Step 2: Convert to fraction form
    534,931.26/738,156.15 = 308,533.02/x
  3. Step 3: Cross multiply
    534,931.26x = 738,156.15 × 308,533.02
  4. Step 4: Simplify right side
    534,931.26x = 227,745,546,191.07
  5. Step 5: Solve for x
    x = 227,745,546,191.07/534,931.26
  6. Step 6: Final answer
    x = 425,747.31

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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.