Home / 1,129,760.58-1,559,063.52-613,509.87

Finding the Fourth Proportional to 1,129,760.58, 1,559,063.52 and 613,509.87

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Solution

The fourth proportional to 1,129,760.58, 1,559,063.52 and 613,509.87 is: 846,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,760.58 : 1,559,063.52 = 613,509.87 : x
  2. Step 2: Convert to fraction form
    1,129,760.58/1,559,063.52 = 613,509.87/x
  3. Step 3: Cross multiply
    1,129,760.58x = 1,559,063.52 × 613,509.87
  4. Step 4: Simplify right side
    1,129,760.58x = 956,500,857,476.94
  5. Step 5: Solve for x
    x = 956,500,857,476.94/1,129,760.58
  6. Step 6: Final answer
    x = 846,640.32

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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.