Home / 1,140,779.62-1,712,851.60-636,326.20

Finding the Fourth Proportional to 1,140,779.62, 1,712,851.60 and 636,326.20

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Solution

The fourth proportional to 1,140,779.62, 1,712,851.60 and 636,326.20 is: 955,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,779.62 : 1,712,851.60 = 636,326.20 : x
  2. Step 2: Convert to fraction form
    1,140,779.62/1,712,851.60 = 636,326.20/x
  3. Step 3: Cross multiply
    1,140,779.62x = 1,712,851.60 × 636,326.20
  4. Step 4: Simplify right side
    1,140,779.62x = 1,089,932,349,791.92
  5. Step 5: Solve for x
    x = 1,089,932,349,791.92/1,140,779.62
  6. Step 6: Final answer
    x = 955,427.61

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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.