Home / 1,731,812.28-2,388,353.49-1,087,292.58

Finding the Fourth Proportional to 1,731,812.28, 2,388,353.49 and 1,087,292.58

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Solution

The fourth proportional to 1,731,812.28, 2,388,353.49 and 1,087,292.58 is: 1,499,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,812.28 : 2,388,353.49 = 1,087,292.58 : x
  2. Step 2: Convert to fraction form
    1,731,812.28/2,388,353.49 = 1,087,292.58/x
  3. Step 3: Cross multiply
    1,731,812.28x = 2,388,353.49 × 1,087,292.58
  4. Step 4: Simplify right side
    1,731,812.28x = 2,596,839,028,094.10
  5. Step 5: Solve for x
    x = 2,596,839,028,094.10/1,731,812.28
  6. Step 6: Final answer
    x = 1,499,492.21

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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.