Home / 919,315.14-1,377,778.04-514,490.51

Finding the Fourth Proportional to 919,315.14, 1,377,778.04 and 514,490.51

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Solution

The fourth proportional to 919,315.14, 1,377,778.04 and 514,490.51 is: 771,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,315.14 : 1,377,778.04 = 514,490.51 : x
  2. Step 2: Convert to fraction form
    919,315.14/1,377,778.04 = 514,490.51/x
  3. Step 3: Cross multiply
    919,315.14x = 1,377,778.04 × 514,490.51
  4. Step 4: Simplify right side
    919,315.14x = 708,853,717,005.06
  5. Step 5: Solve for x
    x = 708,853,717,005.06/919,315.14
  6. Step 6: Final answer
    x = 771,067.16

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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.