Home / 1,191,347.34-1,644,070.25-647,484.58

Finding the Fourth Proportional to 1,191,347.34, 1,644,070.25 and 647,484.58

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Solution

The fourth proportional to 1,191,347.34, 1,644,070.25 and 647,484.58 is: 893,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,347.34 : 1,644,070.25 = 647,484.58 : x
  2. Step 2: Convert to fraction form
    1,191,347.34/1,644,070.25 = 647,484.58/x
  3. Step 3: Cross multiply
    1,191,347.34x = 1,644,070.25 × 647,484.58
  4. Step 4: Simplify right side
    1,191,347.34x = 1,064,510,135,311.74
  5. Step 5: Solve for x
    x = 1,064,510,135,311.74/1,191,347.34
  6. Step 6: Final answer
    x = 893,534.66

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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.