Home / 1,191,510.57-1,644,286.57-647,644.98

Finding the Fourth Proportional to 1,191,510.57, 1,644,286.57 and 647,644.98

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Solution

The fourth proportional to 1,191,510.57, 1,644,286.57 and 647,644.98 is: 893,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,510.57 : 1,644,286.57 = 647,644.98 : x
  2. Step 2: Convert to fraction form
    1,191,510.57/1,644,286.57 = 647,644.98/x
  3. Step 3: Cross multiply
    1,191,510.57x = 1,644,286.57 × 647,644.98
  4. Step 4: Simplify right side
    1,191,510.57x = 1,064,913,944,765.81
  5. Step 5: Solve for x
    x = 1,064,913,944,765.81/1,191,510.57
  6. Step 6: Final answer
    x = 893,751.15

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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.