Home / 858,898.56-1,185,389.34-519,369.24

Finding the Fourth Proportional to 858,898.56, 1,185,389.34 and 519,369.24

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Solution

The fourth proportional to 858,898.56, 1,185,389.34 and 519,369.24 is: 716,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,898.56 : 1,185,389.34 = 519,369.24 : x
  2. Step 2: Convert to fraction form
    858,898.56/1,185,389.34 = 519,369.24/x
  3. Step 3: Cross multiply
    858,898.56x = 1,185,389.34 × 519,369.24
  4. Step 4: Simplify right side
    858,898.56x = 615,654,760,619.90
  5. Step 5: Solve for x
    x = 615,654,760,619.90/858,898.56
  6. Step 6: Final answer
    x = 716,795.66

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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.