Home / 748,430.02-1,032,540.24-461,451.88

Finding the Fourth Proportional to 748,430.02, 1,032,540.24 and 461,451.88

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Solution

The fourth proportional to 748,430.02, 1,032,540.24 and 461,451.88 is: 636,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,430.02 : 1,032,540.24 = 461,451.88 : x
  2. Step 2: Convert to fraction form
    748,430.02/1,032,540.24 = 461,451.88/x
  3. Step 3: Cross multiply
    748,430.02x = 1,032,540.24 × 461,451.88
  4. Step 4: Simplify right side
    748,430.02x = 476,467,634,923.65
  5. Step 5: Solve for x
    x = 476,467,634,923.65/748,430.02
  6. Step 6: Final answer
    x = 636,622.83

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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.