Home / 1,266,343.42-1,899,543.15-456,792.56

Finding the Fourth Proportional to 1,266,343.42, 1,899,543.15 and 456,792.56

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Solution

The fourth proportional to 1,266,343.42, 1,899,543.15 and 456,792.56 is: 685,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,343.42 : 1,899,543.15 = 456,792.56 : x
  2. Step 2: Convert to fraction form
    1,266,343.42/1,899,543.15 = 456,792.56/x
  3. Step 3: Cross multiply
    1,266,343.42x = 1,899,543.15 × 456,792.56
  4. Step 4: Simplify right side
    1,266,343.42x = 867,697,186,629.47
  5. Step 5: Solve for x
    x = 867,697,186,629.47/1,266,343.42
  6. Step 6: Final answer
    x = 685,198.95

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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.