Home / 656,077.96-905,390.82-369,602.56

Finding the Fourth Proportional to 656,077.96, 905,390.82 and 369,602.56

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Solution

The fourth proportional to 656,077.96, 905,390.82 and 369,602.56 is: 510,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,077.96 : 905,390.82 = 369,602.56 : x
  2. Step 2: Convert to fraction form
    656,077.96/905,390.82 = 369,602.56/x
  3. Step 3: Cross multiply
    656,077.96x = 905,390.82 × 369,602.56
  4. Step 4: Simplify right side
    656,077.96x = 334,634,764,872.50
  5. Step 5: Solve for x
    x = 334,634,764,872.50/656,077.96
  6. Step 6: Final answer
    x = 510,053.36

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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.