Home / 626,536.60-864,621.30-340,056.70

Finding the Fourth Proportional to 626,536.60, 864,621.30 and 340,056.70

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Solution

The fourth proportional to 626,536.60, 864,621.30 and 340,056.70 is: 469,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,536.60 : 864,621.30 = 340,056.70 : x
  2. Step 2: Convert to fraction form
    626,536.60/864,621.30 = 340,056.70/x
  3. Step 3: Cross multiply
    626,536.60x = 864,621.30 × 340,056.70
  4. Step 4: Simplify right side
    626,536.60x = 294,020,266,027.71
  5. Step 5: Solve for x
    x = 294,020,266,027.71/626,536.60
  6. Step 6: Final answer
    x = 469,278.68

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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.