Home / 1,129,574.88-1,558,840.56-613,350.72

Finding the Fourth Proportional to 1,129,574.88, 1,558,840.56 and 613,350.72

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Solution

The fourth proportional to 1,129,574.88, 1,558,840.56 and 613,350.72 is: 846,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,574.88 : 1,558,840.56 = 613,350.72 : x
  2. Step 2: Convert to fraction form
    1,129,574.88/1,558,840.56 = 613,350.72/x
  3. Step 3: Cross multiply
    1,129,574.88x = 1,558,840.56 × 613,350.72
  4. Step 4: Simplify right side
    1,129,574.88x = 956,115,979,841.20
  5. Step 5: Solve for x
    x = 956,115,979,841.20/1,129,574.88
  6. Step 6: Final answer
    x = 846,438.78

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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.