Home / 1,191,325.77-1,644,042.27-647,461.58

Finding the Fourth Proportional to 1,191,325.77, 1,644,042.27 and 647,461.58

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Solution

The fourth proportional to 1,191,325.77, 1,644,042.27 and 647,461.58 is: 893,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,325.77 : 1,644,042.27 = 647,461.58 : x
  2. Step 2: Convert to fraction form
    1,191,325.77/1,644,042.27 = 647,461.58/x
  3. Step 3: Cross multiply
    1,191,325.77x = 1,644,042.27 × 647,461.58
  4. Step 4: Simplify right side
    1,191,325.77x = 1,064,454,197,500.78
  5. Step 5: Solve for x
    x = 1,064,454,197,500.78/1,191,325.77
  6. Step 6: Final answer
    x = 893,503.88

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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.