Home / 858,908.52-1,185,467.76-496,347.60

Finding the Fourth Proportional to 858,908.52, 1,185,467.76 and 496,347.60

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Solution

The fourth proportional to 858,908.52, 1,185,467.76 and 496,347.60 is: 685,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,908.52 : 1,185,467.76 = 496,347.60 : x
  2. Step 2: Convert to fraction form
    858,908.52/1,185,467.76 = 496,347.60/x
  3. Step 3: Cross multiply
    858,908.52x = 1,185,467.76 × 496,347.60
  4. Step 4: Simplify right side
    858,908.52x = 588,404,077,553.38
  5. Step 5: Solve for x
    x = 588,404,077,553.38/858,908.52
  6. Step 6: Final answer
    x = 685,060.24

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Double scale
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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.