Home / 519,317.25-716,777.38-304,526.52

Finding the Fourth Proportional to 519,317.25, 716,777.38 and 304,526.52

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Solution

The fourth proportional to 519,317.25, 716,777.38 and 304,526.52 is: 420,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,317.25 : 716,777.38 = 304,526.52 : x
  2. Step 2: Convert to fraction form
    519,317.25/716,777.38 = 304,526.52/x
  3. Step 3: Cross multiply
    519,317.25x = 716,777.38 × 304,526.52
  4. Step 4: Simplify right side
    519,317.25x = 218,277,721,146.12
  5. Step 5: Solve for x
    x = 218,277,721,146.12/519,317.25
  6. Step 6: Final answer
    x = 420,316.72

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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.