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Finding the Fourth Proportional to 1,323,897.03, 1,983,951.06 and 754,101.86

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Solution

The fourth proportional to 1,323,897.03, 1,983,951.06 and 754,101.86 is: 1,130,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,897.03 : 1,983,951.06 = 754,101.86 : x
  2. Step 2: Convert to fraction form
    1,323,897.03/1,983,951.06 = 754,101.86/x
  3. Step 3: Cross multiply
    1,323,897.03x = 1,983,951.06 × 754,101.86
  4. Step 4: Simplify right side
    1,323,897.03x = 1,496,101,188,878.38
  5. Step 5: Solve for x
    x = 1,496,101,188,878.38/1,323,897.03
  6. Step 6: Final answer
    x = 1,130,073.68

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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.