Home / 1,064,729.25-1,596,306.56-643,911.57

Finding the Fourth Proportional to 1,064,729.25, 1,596,306.56 and 643,911.57

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Solution

The fourth proportional to 1,064,729.25, 1,596,306.56 and 643,911.57 is: 965,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,729.25 : 1,596,306.56 = 643,911.57 : x
  2. Step 2: Convert to fraction form
    1,064,729.25/1,596,306.56 = 643,911.57/x
  3. Step 3: Cross multiply
    1,064,729.25x = 1,596,306.56 × 643,911.57
  4. Step 4: Simplify right side
    1,064,729.25x = 1,027,880,260,031.34
  5. Step 5: Solve for x
    x = 1,027,880,260,031.34/1,064,729.25
  6. Step 6: Final answer
    x = 965,391.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.