Home / 578,986.23-868,543.51-199,864.01

Finding the Fourth Proportional to 578,986.23, 868,543.51 and 199,864.01

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Solution

The fourth proportional to 578,986.23, 868,543.51 and 199,864.01 is: 299,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,986.23 : 868,543.51 = 199,864.01 : x
  2. Step 2: Convert to fraction form
    578,986.23/868,543.51 = 199,864.01/x
  3. Step 3: Cross multiply
    578,986.23x = 868,543.51 × 199,864.01
  4. Step 4: Simplify right side
    578,986.23x = 173,590,585,928.96
  5. Step 5: Solve for x
    x = 173,590,585,928.96/578,986.23
  6. Step 6: Final answer
    x = 299,818.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.