Home / 588,078.38-811,423.01-346,272.72

Finding the Fourth Proportional to 588,078.38, 811,423.01 and 346,272.72

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Solution

The fourth proportional to 588,078.38, 811,423.01 and 346,272.72 is: 477,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,078.38 : 811,423.01 = 346,272.72 : x
  2. Step 2: Convert to fraction form
    588,078.38/811,423.01 = 346,272.72/x
  3. Step 3: Cross multiply
    588,078.38x = 811,423.01 × 346,272.72
  4. Step 4: Simplify right side
    588,078.38x = 280,973,651,011.92
  5. Step 5: Solve for x
    x = 280,973,651,011.92/588,078.38
  6. Step 6: Final answer
    x = 477,782.66

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1.5x scale

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.