Home / 1,114,655.80-1,538,356.32-661,946.80

Finding the Fourth Proportional to 1,114,655.80, 1,538,356.32 and 661,946.80

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Solution

The fourth proportional to 1,114,655.80, 1,538,356.32 and 661,946.80 is: 913,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,655.80 : 1,538,356.32 = 661,946.80 : x
  2. Step 2: Convert to fraction form
    1,114,655.80/1,538,356.32 = 661,946.80/x
  3. Step 3: Cross multiply
    1,114,655.80x = 1,538,356.32 × 661,946.80
  4. Step 4: Simplify right side
    1,114,655.80x = 1,018,310,043,283.78
  5. Step 5: Solve for x
    x = 1,018,310,043,283.78/1,114,655.80
  6. Step 6: Final answer
    x = 913,564.57

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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.