Home / 1,154,516.70-1,593,282.25-645,219.06

Finding the Fourth Proportional to 1,154,516.70, 1,593,282.25 and 645,219.06

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Solution

The fourth proportional to 1,154,516.70, 1,593,282.25 and 645,219.06 is: 890,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,516.70 : 1,593,282.25 = 645,219.06 : x
  2. Step 2: Convert to fraction form
    1,154,516.70/1,593,282.25 = 645,219.06/x
  3. Step 3: Cross multiply
    1,154,516.70x = 1,593,282.25 × 645,219.06
  4. Step 4: Simplify right side
    1,154,516.70x = 1,028,016,075,659.69
  5. Step 5: Solve for x
    x = 1,028,016,075,659.69/1,154,516.70
  6. Step 6: Final answer
    x = 890,429.80

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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.