Home / 860,110.80-1,187,117.40-569,725.80

Finding the Fourth Proportional to 860,110.80, 1,187,117.40 and 569,725.80

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Solution

The fourth proportional to 860,110.80, 1,187,117.40 and 569,725.80 is: 786,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,110.80 : 1,187,117.40 = 569,725.80 : x
  2. Step 2: Convert to fraction form
    860,110.80/1,187,117.40 = 569,725.80/x
  3. Step 3: Cross multiply
    860,110.80x = 1,187,117.40 × 569,725.80
  4. Step 4: Simplify right side
    860,110.80x = 676,331,410,408.92
  5. Step 5: Solve for x
    x = 676,331,410,408.92/860,110.80
  6. Step 6: Final answer
    x = 786,330.56

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1.5x scale

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.