Home / 1,191,348.34-1,644,071.63-647,485.58

Finding the Fourth Proportional to 1,191,348.34, 1,644,071.63 and 647,485.58

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Solution

The fourth proportional to 1,191,348.34, 1,644,071.63 and 647,485.58 is: 893,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,348.34 : 1,644,071.63 = 647,485.58 : x
  2. Step 2: Convert to fraction form
    1,191,348.34/1,644,071.63 = 647,485.58/x
  3. Step 3: Cross multiply
    1,191,348.34x = 1,644,071.63 × 647,485.58
  4. Step 4: Simplify right side
    1,191,348.34x = 1,064,512,672,912.10
  5. Step 5: Solve for x
    x = 1,064,512,672,912.10/1,191,348.34
  6. Step 6: Final answer
    x = 893,536.04

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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.