Home / 1,170,048.60-1,755,072.90-666,163.80

Finding the Fourth Proportional to 1,170,048.60, 1,755,072.90 and 666,163.80

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Solution

The fourth proportional to 1,170,048.60, 1,755,072.90 and 666,163.80 is: 999,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,048.60 : 1,755,072.90 = 666,163.80 : x
  2. Step 2: Convert to fraction form
    1,170,048.60/1,755,072.90 = 666,163.80/x
  3. Step 3: Cross multiply
    1,170,048.60x = 1,755,072.90 × 666,163.80
  4. Step 4: Simplify right side
    1,170,048.60x = 1,169,166,032,341.02
  5. Step 5: Solve for x
    x = 1,169,166,032,341.02/1,170,048.60
  6. Step 6: Final answer
    x = 999,245.70

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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.