Home / 1,189,152.18-1,640,919.15-672,953.13

Finding the Fourth Proportional to 1,189,152.18, 1,640,919.15 and 672,953.13

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Solution

The fourth proportional to 1,189,152.18, 1,640,919.15 and 672,953.13 is: 928,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,152.18 : 1,640,919.15 = 672,953.13 : x
  2. Step 2: Convert to fraction form
    1,189,152.18/1,640,919.15 = 672,953.13/x
  3. Step 3: Cross multiply
    1,189,152.18x = 1,640,919.15 × 672,953.13
  4. Step 4: Simplify right side
    1,189,152.18x = 1,104,261,678,069.44
  5. Step 5: Solve for x
    x = 1,104,261,678,069.44/1,189,152.18
  6. Step 6: Final answer
    x = 928,612.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.