Home / 1,129,596.88-1,558,801.13-613,339.61

Finding the Fourth Proportional to 1,129,596.88, 1,558,801.13 and 613,339.61

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Solution

The fourth proportional to 1,129,596.88, 1,558,801.13 and 613,339.61 is: 846,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,596.88 : 1,558,801.13 = 613,339.61 : x
  2. Step 2: Convert to fraction form
    1,129,596.88/1,558,801.13 = 613,339.61/x
  3. Step 3: Cross multiply
    1,129,596.88x = 1,558,801.13 × 613,339.61
  4. Step 4: Simplify right side
    1,129,596.88x = 956,074,479,631.23
  5. Step 5: Solve for x
    x = 956,074,479,631.23/1,129,596.88
  6. Step 6: Final answer
    x = 846,385.55

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1.5x scale

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.