Home / 1,154,583.51-1,593,321.25-645,285.88

Finding the Fourth Proportional to 1,154,583.51, 1,593,321.25 and 645,285.88

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Solution

The fourth proportional to 1,154,583.51, 1,593,321.25 and 645,285.88 is: 890,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,583.51 : 1,593,321.25 = 645,285.88 : x
  2. Step 2: Convert to fraction form
    1,154,583.51/1,593,321.25 = 645,285.88/x
  3. Step 3: Cross multiply
    1,154,583.51x = 1,593,321.25 × 645,285.88
  4. Step 4: Simplify right side
    1,154,583.51x = 1,028,147,703,315.74
  5. Step 5: Solve for x
    x = 1,028,147,703,315.74/1,154,583.51
  6. Step 6: Final answer
    x = 890,492.28

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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.