Home / 626,330.85-939,036.18-199,621.14

Finding the Fourth Proportional to 626,330.85, 939,036.18 and 199,621.14

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Solution

The fourth proportional to 626,330.85, 939,036.18 and 199,621.14 is: 299,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,330.85 : 939,036.18 = 199,621.14 : x
  2. Step 2: Convert to fraction form
    626,330.85/939,036.18 = 199,621.14/x
  3. Step 3: Cross multiply
    626,330.85x = 939,036.18 × 199,621.14
  4. Step 4: Simplify right side
    626,330.85x = 187,451,472,752.85
  5. Step 5: Solve for x
    x = 187,451,472,752.85/626,330.85
  6. Step 6: Final answer
    x = 299,285.07

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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.