Home / 1,272,474.91-1,908,210.16-514,173.43

Finding the Fourth Proportional to 1,272,474.91, 1,908,210.16 and 514,173.43

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Solution

The fourth proportional to 1,272,474.91, 1,908,210.16 and 514,173.43 is: 771,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,474.91 : 1,908,210.16 = 514,173.43 : x
  2. Step 2: Convert to fraction form
    1,272,474.91/1,908,210.16 = 514,173.43/x
  3. Step 3: Cross multiply
    1,272,474.91x = 1,908,210.16 × 514,173.43
  4. Step 4: Simplify right side
    1,272,474.91x = 981,150,963,128.05
  5. Step 5: Solve for x
    x = 981,150,963,128.05/1,272,474.91
  6. Step 6: Final answer
    x = 771,057.22

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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.