Home / 626,581.35-864,697.91-340,100.82

Finding the Fourth Proportional to 626,581.35, 864,697.91 and 340,100.82

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Solution

The fourth proportional to 626,581.35, 864,697.91 and 340,100.82 is: 469,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,581.35 : 864,697.91 = 340,100.82 : x
  2. Step 2: Convert to fraction form
    626,581.35/864,697.91 = 340,100.82/x
  3. Step 3: Cross multiply
    626,581.35x = 864,697.91 × 340,100.82
  4. Step 4: Simplify right side
    626,581.35x = 294,084,466,542.78
  5. Step 5: Solve for x
    x = 294,084,466,542.78/626,581.35
  6. Step 6: Final answer
    x = 469,347.62

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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.