Home / 626,311.20-939,276.72-176,996.64

Finding the Fourth Proportional to 626,311.20, 939,276.72 and 176,996.64

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Solution

The fourth proportional to 626,311.20, 939,276.72 and 176,996.64 is: 265,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,311.20 : 939,276.72 = 176,996.64 : x
  2. Step 2: Convert to fraction form
    626,311.20/939,276.72 = 176,996.64/x
  3. Step 3: Cross multiply
    626,311.20x = 939,276.72 × 176,996.64
  4. Step 4: Simplify right side
    626,311.20x = 166,248,823,470.22
  5. Step 5: Solve for x
    x = 166,248,823,470.22/626,311.20
  6. Step 6: Final answer
    x = 265,441.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.