Home / 939,901.30-1,297,059.42-510,177.67

Finding the Fourth Proportional to 939,901.30, 1,297,059.42 and 510,177.67

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Solution

The fourth proportional to 939,901.30, 1,297,059.42 and 510,177.67 is: 704,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,901.30 : 1,297,059.42 = 510,177.67 : x
  2. Step 2: Convert to fraction form
    939,901.30/1,297,059.42 = 510,177.67/x
  3. Step 3: Cross multiply
    939,901.30x = 1,297,059.42 × 510,177.67
  4. Step 4: Simplify right side
    939,901.30x = 661,730,752,747.15
  5. Step 5: Solve for x
    x = 661,730,752,747.15/939,901.30
  6. Step 6: Final answer
    x = 704,042.81

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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.