Home / 860,200.45-1,289,686.28-404,536.57

Finding the Fourth Proportional to 860,200.45, 1,289,686.28 and 404,536.57

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Solution

The fourth proportional to 860,200.45, 1,289,686.28 and 404,536.57 is: 606,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,200.45 : 1,289,686.28 = 404,536.57 : x
  2. Step 2: Convert to fraction form
    860,200.45/1,289,686.28 = 404,536.57/x
  3. Step 3: Cross multiply
    860,200.45x = 1,289,686.28 × 404,536.57
  4. Step 4: Simplify right side
    860,200.45x = 521,725,264,087.26
  5. Step 5: Solve for x
    x = 521,725,264,087.26/860,200.45
  6. Step 6: Final answer
    x = 606,515.92

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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.