Home / 860,156.04-1,187,195.93-545,624.43

Finding the Fourth Proportional to 860,156.04, 1,187,195.93 and 545,624.43

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Solution

The fourth proportional to 860,156.04, 1,187,195.93 and 545,624.43 is: 753,076.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,156.04 : 1,187,195.93 = 545,624.43 : x
  2. Step 2: Convert to fraction form
    860,156.04/1,187,195.93 = 545,624.43/x
  3. Step 3: Cross multiply
    860,156.04x = 1,187,195.93 × 545,624.43
  4. Step 4: Simplify right side
    860,156.04x = 647,763,099,876.45
  5. Step 5: Solve for x
    x = 647,763,099,876.45/860,156.04
  6. Step 6: Final answer
    x = 753,076.27

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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.