Home / 904,701.06-1,248,438.96-496,723.50

Finding the Fourth Proportional to 904,701.06, 1,248,438.96 and 496,723.50

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Solution

The fourth proportional to 904,701.06, 1,248,438.96 and 496,723.50 is: 685,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,701.06 : 1,248,438.96 = 496,723.50 : x
  2. Step 2: Convert to fraction form
    904,701.06/1,248,438.96 = 496,723.50/x
  3. Step 3: Cross multiply
    904,701.06x = 1,248,438.96 × 496,723.50
  4. Step 4: Simplify right side
    904,701.06x = 620,128,969,747.56
  5. Step 5: Solve for x
    x = 620,128,969,747.56/904,701.06
  6. Step 6: Final answer
    x = 685,451.80

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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.