Home / 1,190,745.02-1,785,740.88-391,848.50

Finding the Fourth Proportional to 1,190,745.02, 1,785,740.88 and 391,848.50

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Solution

The fourth proportional to 1,190,745.02, 1,785,740.88 and 391,848.50 is: 587,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,745.02 : 1,785,740.88 = 391,848.50 : x
  2. Step 2: Convert to fraction form
    1,190,745.02/1,785,740.88 = 391,848.50/x
  3. Step 3: Cross multiply
    1,190,745.02x = 1,785,740.88 × 391,848.50
  4. Step 4: Simplify right side
    1,190,745.02x = 699,739,885,216.68
  5. Step 5: Solve for x
    x = 699,739,885,216.68/1,190,745.02
  6. Step 6: Final answer
    x = 587,648.80

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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.