Home / 1,653,699.22-2,282,639.93-1,071,895.72

Finding the Fourth Proportional to 1,653,699.22, 2,282,639.93 and 1,071,895.72

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Solution

The fourth proportional to 1,653,699.22, 2,282,639.93 and 1,071,895.72 is: 1,479,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,699.22 : 2,282,639.93 = 1,071,895.72 : x
  2. Step 2: Convert to fraction form
    1,653,699.22/2,282,639.93 = 1,071,895.72/x
  3. Step 3: Cross multiply
    1,653,699.22x = 2,282,639.93 × 1,071,895.72
  4. Step 4: Simplify right side
    1,653,699.22x = 2,446,751,971,268.10
  5. Step 5: Solve for x
    x = 2,446,751,971,268.10/1,653,699.22
  6. Step 6: Final answer
    x = 1,479,562.87

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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.