Home / 1,628,630.17-2,247,779.06-903,711.43

Finding the Fourth Proportional to 1,628,630.17, 2,247,779.06 and 903,711.43

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Solution

The fourth proportional to 1,628,630.17, 2,247,779.06 and 903,711.43 is: 1,247,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,630.17 : 2,247,779.06 = 903,711.43 : x
  2. Step 2: Convert to fraction form
    1,628,630.17/2,247,779.06 = 903,711.43/x
  3. Step 3: Cross multiply
    1,628,630.17x = 2,247,779.06 × 903,711.43
  4. Step 4: Simplify right side
    1,628,630.17x = 2,031,343,628,636.66
  5. Step 5: Solve for x
    x = 2,031,343,628,636.66/1,628,630.17
  6. Step 6: Final answer
    x = 1,247,271.27

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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.