Home / 1,294,064.10-1,941,096.15-815,767.20

Finding the Fourth Proportional to 1,294,064.10, 1,941,096.15 and 815,767.20

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Solution

The fourth proportional to 1,294,064.10, 1,941,096.15 and 815,767.20 is: 1,223,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,064.10 : 1,941,096.15 = 815,767.20 : x
  2. Step 2: Convert to fraction form
    1,294,064.10/1,941,096.15 = 815,767.20/x
  3. Step 3: Cross multiply
    1,294,064.10x = 1,941,096.15 × 815,767.20
  4. Step 4: Simplify right side
    1,294,064.10x = 1,583,482,571,216.28
  5. Step 5: Solve for x
    x = 1,583,482,571,216.28/1,294,064.10
  6. Step 6: Final answer
    x = 1,223,650.80

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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.