Home / 738,492.60-1,105,406.10-579,862.20

Finding the Fourth Proportional to 738,492.60, 1,105,406.10 and 579,862.20

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Solution

The fourth proportional to 738,492.60, 1,105,406.10 and 579,862.20 is: 867,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,492.60 : 1,105,406.10 = 579,862.20 : x
  2. Step 2: Convert to fraction form
    738,492.60/1,105,406.10 = 579,862.20/x
  3. Step 3: Cross multiply
    738,492.60x = 1,105,406.10 × 579,862.20
  4. Step 4: Simplify right side
    738,492.60x = 640,983,213,039.42
  5. Step 5: Solve for x
    x = 640,983,213,039.42/738,492.60
  6. Step 6: Final answer
    x = 867,961.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.