Home / 1,191,520.34-1,644,309.75-647,655.79

Finding the Fourth Proportional to 1,191,520.34, 1,644,309.75 and 647,655.79

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Solution

The fourth proportional to 1,191,520.34, 1,644,309.75 and 647,655.79 is: 893,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,520.34 : 1,644,309.75 = 647,655.79 : x
  2. Step 2: Convert to fraction form
    1,191,520.34/1,644,309.75 = 647,655.79/x
  3. Step 3: Cross multiply
    1,191,520.34x = 1,644,309.75 × 647,655.79
  4. Step 4: Simplify right side
    1,191,520.34x = 1,064,946,724,411.04
  5. Step 5: Solve for x
    x = 1,064,946,724,411.04/1,191,520.34
  6. Step 6: Final answer
    x = 893,771.34

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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.