Home / 1,512,232.20-2,086,918.02-931,235.40

Finding the Fourth Proportional to 1,512,232.20, 2,086,918.02 and 931,235.40

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Solution

The fourth proportional to 1,512,232.20, 2,086,918.02 and 931,235.40 is: 1,285,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,232.20 : 2,086,918.02 = 931,235.40 : x
  2. Step 2: Convert to fraction form
    1,512,232.20/2,086,918.02 = 931,235.40/x
  3. Step 3: Cross multiply
    1,512,232.20x = 2,086,918.02 × 931,235.40
  4. Step 4: Simplify right side
    1,512,232.20x = 1,943,411,937,121.91
  5. Step 5: Solve for x
    x = 1,943,411,937,121.91/1,512,232.20
  6. Step 6: Final answer
    x = 1,285,128.00

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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.