Home / 1,154,815.83-1,593,576.45-638,538.84

Finding the Fourth Proportional to 1,154,815.83, 1,593,576.45 and 638,538.84

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Solution

The fourth proportional to 1,154,815.83, 1,593,576.45 and 638,538.84 is: 881,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,815.83 : 1,593,576.45 = 638,538.84 : x
  2. Step 2: Convert to fraction form
    1,154,815.83/1,593,576.45 = 638,538.84/x
  3. Step 3: Cross multiply
    1,154,815.83x = 1,593,576.45 × 638,538.84
  4. Step 4: Simplify right side
    1,154,815.83x = 1,017,560,457,834.32
  5. Step 5: Solve for x
    x = 1,017,560,457,834.32/1,154,815.83
  6. Step 6: Final answer
    x = 881,145.23

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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.