Home / 626,719.39-864,882.81-340,239.25

Finding the Fourth Proportional to 626,719.39, 864,882.81 and 340,239.25

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Solution

The fourth proportional to 626,719.39, 864,882.81 and 340,239.25 is: 469,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,719.39 : 864,882.81 = 340,239.25 : x
  2. Step 2: Convert to fraction form
    626,719.39/864,882.81 = 340,239.25/x
  3. Step 3: Cross multiply
    626,719.39x = 864,882.81 × 340,239.25
  4. Step 4: Simplify right side
    626,719.39x = 294,267,078,612.29
  5. Step 5: Solve for x
    x = 294,267,078,612.29/626,719.39
  6. Step 6: Final answer
    x = 469,535.62

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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.