Home / 765,623.70-1,056,550.29-426,091.98

Finding the Fourth Proportional to 765,623.70, 1,056,550.29 and 426,091.98

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Solution

The fourth proportional to 765,623.70, 1,056,550.29 and 426,091.98 is: 588,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,623.70 : 1,056,550.29 = 426,091.98 : x
  2. Step 2: Convert to fraction form
    765,623.70/1,056,550.29 = 426,091.98/x
  3. Step 3: Cross multiply
    765,623.70x = 1,056,550.29 × 426,091.98
  4. Step 4: Simplify right side
    765,623.70x = 450,187,605,035.67
  5. Step 5: Solve for x
    x = 450,187,605,035.67/765,623.70
  6. Step 6: Final answer
    x = 588,001.14

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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.