Home / 682,154.05-1,023,940.79-502,442.40

Finding the Fourth Proportional to 682,154.05, 1,023,940.79 and 502,442.40

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Solution

The fourth proportional to 682,154.05, 1,023,940.79 and 502,442.40 is: 754,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,154.05 : 1,023,940.79 = 502,442.40 : x
  2. Step 2: Convert to fraction form
    682,154.05/1,023,940.79 = 502,442.40/x
  3. Step 3: Cross multiply
    682,154.05x = 1,023,940.79 × 502,442.40
  4. Step 4: Simplify right side
    682,154.05x = 514,471,267,985.50
  5. Step 5: Solve for x
    x = 514,471,267,985.50/682,154.05
  6. Step 6: Final answer
    x = 754,186.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.