Home / 910,964.76-1,257,035.90-528,916.92

Finding the Fourth Proportional to 910,964.76, 1,257,035.90 and 528,916.92

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Solution

The fourth proportional to 910,964.76, 1,257,035.90 and 528,916.92 is: 729,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,964.76 : 1,257,035.90 = 528,916.92 : x
  2. Step 2: Convert to fraction form
    910,964.76/1,257,035.90 = 528,916.92/x
  3. Step 3: Cross multiply
    910,964.76x = 1,257,035.90 × 528,916.92
  4. Step 4: Simplify right side
    910,964.76x = 664,867,556,557.43
  5. Step 5: Solve for x
    x = 664,867,556,557.43/910,964.76
  6. Step 6: Final answer
    x = 729,849.92

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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.