Home / 571,210.92-788,629.30-367,615.40

Finding the Fourth Proportional to 571,210.92, 788,629.30 and 367,615.40

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Solution

The fourth proportional to 571,210.92, 788,629.30 and 367,615.40 is: 507,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,210.92 : 788,629.30 = 367,615.40 : x
  2. Step 2: Convert to fraction form
    571,210.92/788,629.30 = 367,615.40/x
  3. Step 3: Cross multiply
    571,210.92x = 788,629.30 × 367,615.40
  4. Step 4: Simplify right side
    571,210.92x = 289,912,270,709.04
  5. Step 5: Solve for x
    x = 289,912,270,709.04/571,210.92
  6. Step 6: Final answer
    x = 507,539.79

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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.