Home / 852,830.06-1,176,874.50-465,638.36

Finding the Fourth Proportional to 852,830.06, 1,176,874.50 and 465,638.36

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Solution

The fourth proportional to 852,830.06, 1,176,874.50 and 465,638.36 is: 642,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,830.06 : 1,176,874.50 = 465,638.36 : x
  2. Step 2: Convert to fraction form
    852,830.06/1,176,874.50 = 465,638.36/x
  3. Step 3: Cross multiply
    852,830.06x = 1,176,874.50 × 465,638.36
  4. Step 4: Simplify right side
    852,830.06x = 547,997,912,105.82
  5. Step 5: Solve for x
    x = 547,997,912,105.82/852,830.06
  6. Step 6: Final answer
    x = 642,564.02

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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.