Home / 909,217.68-1,254,441.96-527,167.76

Finding the Fourth Proportional to 909,217.68, 1,254,441.96 and 527,167.76

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Solution

The fourth proportional to 909,217.68, 1,254,441.96 and 527,167.76 is: 727,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,217.68 : 1,254,441.96 = 527,167.76 : x
  2. Step 2: Convert to fraction form
    909,217.68/1,254,441.96 = 527,167.76/x
  3. Step 3: Cross multiply
    909,217.68x = 1,254,441.96 × 527,167.76
  4. Step 4: Simplify right side
    909,217.68x = 661,301,358,103.21
  5. Step 5: Solve for x
    x = 661,301,358,103.21/909,217.68
  6. Step 6: Final answer
    x = 727,330.07

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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.