Home / 989,666.70-1,365,658.34-581,785.73

Finding the Fourth Proportional to 989,666.70, 1,365,658.34 and 581,785.73

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Solution

The fourth proportional to 989,666.70, 1,365,658.34 and 581,785.73 is: 802,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,666.70 : 1,365,658.34 = 581,785.73 : x
  2. Step 2: Convert to fraction form
    989,666.70/1,365,658.34 = 581,785.73/x
  3. Step 3: Cross multiply
    989,666.70x = 1,365,658.34 × 581,785.73
  4. Step 4: Simplify right side
    989,666.70x = 794,520,534,267.49
  5. Step 5: Solve for x
    x = 794,520,534,267.49/989,666.70
  6. Step 6: Final answer
    x = 802,816.28

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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.