Home / 1,288,506.03-1,931,905.98-614,691.33

Finding the Fourth Proportional to 1,288,506.03, 1,931,905.98 and 614,691.33

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Solution

The fourth proportional to 1,288,506.03, 1,931,905.98 and 614,691.33 is: 921,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,506.03 : 1,931,905.98 = 614,691.33 : x
  2. Step 2: Convert to fraction form
    1,288,506.03/1,931,905.98 = 614,691.33/x
  3. Step 3: Cross multiply
    1,288,506.03x = 1,931,905.98 × 614,691.33
  4. Step 4: Simplify right side
    1,288,506.03x = 1,187,525,856,281.15
  5. Step 5: Solve for x
    x = 1,187,525,856,281.15/1,288,506.03
  6. Step 6: Final answer
    x = 921,630.03

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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.