Home / 374,569.47-516,956.51-211,259.53

Finding the Fourth Proportional to 374,569.47, 516,956.51 and 211,259.53

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Solution

The fourth proportional to 374,569.47, 516,956.51 and 211,259.53 is: 291,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,569.47 : 516,956.51 = 211,259.53 : x
  2. Step 2: Convert to fraction form
    374,569.47/516,956.51 = 211,259.53/x
  3. Step 3: Cross multiply
    374,569.47x = 516,956.51 × 211,259.53
  4. Step 4: Simplify right side
    374,569.47x = 109,211,989,333.04
  5. Step 5: Solve for x
    x = 109,211,989,333.04/374,569.47
  6. Step 6: Final answer
    x = 291,566.71

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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.