Home / 1,272,505.95-1,908,463.68-562,146.48

Finding the Fourth Proportional to 1,272,505.95, 1,908,463.68 and 562,146.48

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Solution

The fourth proportional to 1,272,505.95, 1,908,463.68 and 562,146.48 is: 843,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,505.95 : 1,908,463.68 = 562,146.48 : x
  2. Step 2: Convert to fraction form
    1,272,505.95/1,908,463.68 = 562,146.48/x
  3. Step 3: Cross multiply
    1,272,505.95x = 1,908,463.68 × 562,146.48
  4. Step 4: Simplify right side
    1,272,505.95x = 1,072,836,139,919.85
  5. Step 5: Solve for x
    x = 1,072,836,139,919.85/1,272,505.95
  6. Step 6: Final answer
    x = 843,089.29

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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.