Home / 1,357,742.25-2,036,875.65-516,228.57

Finding the Fourth Proportional to 1,357,742.25, 2,036,875.65 and 516,228.57

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Solution

The fourth proportional to 1,357,742.25, 2,036,875.65 and 516,228.57 is: 774,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,742.25 : 2,036,875.65 = 516,228.57 : x
  2. Step 2: Convert to fraction form
    1,357,742.25/2,036,875.65 = 516,228.57/x
  3. Step 3: Cross multiply
    1,357,742.25x = 2,036,875.65 × 516,228.57
  4. Step 4: Simplify right side
    1,357,742.25x = 1,051,493,404,067.32
  5. Step 5: Solve for x
    x = 1,051,493,404,067.32/1,357,742.25
  6. Step 6: Final answer
    x = 774,442.57

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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.