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Finding the Fourth Proportional to 1,169,781.03, 1,754,671.46 and 637,749.45

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Solution

The fourth proportional to 1,169,781.03, 1,754,671.46 and 637,749.45 is: 956,624.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,781.03 : 1,754,671.46 = 637,749.45 : x
  2. Step 2: Convert to fraction form
    1,169,781.03/1,754,671.46 = 637,749.45/x
  3. Step 3: Cross multiply
    1,169,781.03x = 1,754,671.46 × 637,749.45
  4. Step 4: Simplify right side
    1,169,781.03x = 1,119,040,755,356.95
  5. Step 5: Solve for x
    x = 1,119,040,755,356.95/1,169,781.03
  6. Step 6: Final answer
    x = 956,624.13

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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.