Home / 845,404.04-1,268,271.82-312,929.56

Finding the Fourth Proportional to 845,404.04, 1,268,271.82 and 312,929.56

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Solution

The fourth proportional to 845,404.04, 1,268,271.82 and 312,929.56 is: 469,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,404.04 : 1,268,271.82 = 312,929.56 : x
  2. Step 2: Convert to fraction form
    845,404.04/1,268,271.82 = 312,929.56/x
  3. Step 3: Cross multiply
    845,404.04x = 1,268,271.82 × 312,929.56
  4. Step 4: Simplify right side
    845,404.04x = 396,879,742,593.00
  5. Step 5: Solve for x
    x = 396,879,742,593.00/845,404.04
  6. Step 6: Final answer
    x = 469,455.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.