Home / 497,190.72-686,124.36-270,831.36

Finding the Fourth Proportional to 497,190.72, 686,124.36 and 270,831.36

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Solution

The fourth proportional to 497,190.72, 686,124.36 and 270,831.36 is: 373,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,190.72 : 686,124.36 = 270,831.36 : x
  2. Step 2: Convert to fraction form
    497,190.72/686,124.36 = 270,831.36/x
  3. Step 3: Cross multiply
    497,190.72x = 686,124.36 × 270,831.36
  4. Step 4: Simplify right side
    497,190.72x = 185,823,993,547.93
  5. Step 5: Solve for x
    x = 185,823,993,547.93/497,190.72
  6. Step 6: Final answer
    x = 373,747.91

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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.