Home / 1,453,325.76-2,005,504.20-841,434.75

Finding the Fourth Proportional to 1,453,325.76, 2,005,504.20 and 841,434.75

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Solution

The fourth proportional to 1,453,325.76, 2,005,504.20 and 841,434.75 is: 1,161,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,325.76 : 2,005,504.20 = 841,434.75 : x
  2. Step 2: Convert to fraction form
    1,453,325.76/2,005,504.20 = 841,434.75/x
  3. Step 3: Cross multiply
    1,453,325.76x = 2,005,504.20 × 841,434.75
  4. Step 4: Simplify right side
    1,453,325.76x = 1,687,500,925,150.95
  5. Step 5: Solve for x
    x = 1,687,500,925,150.95/1,453,325.76
  6. Step 6: Final answer
    x = 1,161,130.54

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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.