Home / 374,535.84-516,904.74-211,223.40

Finding the Fourth Proportional to 374,535.84, 516,904.74 and 211,223.40

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Solution

The fourth proportional to 374,535.84, 516,904.74 and 211,223.40 is: 291,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,535.84 : 516,904.74 = 211,223.40 : x
  2. Step 2: Convert to fraction form
    374,535.84/516,904.74 = 211,223.40/x
  3. Step 3: Cross multiply
    374,535.84x = 516,904.74 × 211,223.40
  4. Step 4: Simplify right side
    374,535.84x = 109,182,376,658.92
  5. Step 5: Solve for x
    x = 109,182,376,658.92/374,535.84
  6. Step 6: Final answer
    x = 291,513.83

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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.