Home / 1,186,012.63-1,778,650.75-427,755.53

Finding the Fourth Proportional to 1,186,012.63, 1,778,650.75 and 427,755.53

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Solution

The fourth proportional to 1,186,012.63, 1,778,650.75 and 427,755.53 is: 641,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,012.63 : 1,778,650.75 = 427,755.53 : x
  2. Step 2: Convert to fraction form
    1,186,012.63/1,778,650.75 = 427,755.53/x
  3. Step 3: Cross multiply
    1,186,012.63x = 1,778,650.75 × 427,755.53
  4. Step 4: Simplify right side
    1,186,012.63x = 760,827,699,232.47
  5. Step 5: Solve for x
    x = 760,827,699,232.47/1,186,012.63
  6. Step 6: Final answer
    x = 641,500.50

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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.