Home / 626,585.58-864,688.77-340,105.56

Finding the Fourth Proportional to 626,585.58, 864,688.77 and 340,105.56

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Solution

The fourth proportional to 626,585.58, 864,688.77 and 340,105.56 is: 469,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,585.58 : 864,688.77 = 340,105.56 : x
  2. Step 2: Convert to fraction form
    626,585.58/864,688.77 = 340,105.56/x
  3. Step 3: Cross multiply
    626,585.58x = 864,688.77 × 340,105.56
  4. Step 4: Simplify right side
    626,585.58x = 294,085,458,346.56
  5. Step 5: Solve for x
    x = 294,085,458,346.56/626,585.58
  6. Step 6: Final answer
    x = 469,346.04

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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.