Home / 626,611.34-864,724.68-340,131.35

Finding the Fourth Proportional to 626,611.34, 864,724.68 and 340,131.35

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Solution

The fourth proportional to 626,611.34, 864,724.68 and 340,131.35 is: 469,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,611.34 : 864,724.68 = 340,131.35 : x
  2. Step 2: Convert to fraction form
    626,611.34/864,724.68 = 340,131.35/x
  3. Step 3: Cross multiply
    626,611.34x = 864,724.68 × 340,131.35
  4. Step 4: Simplify right side
    626,611.34x = 294,119,968,463.10
  5. Step 5: Solve for x
    x = 294,119,968,463.10/626,611.34
  6. Step 6: Final answer
    x = 469,381.82

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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.