Home / 923,056.29-1,273,814.91-515,153.66

Finding the Fourth Proportional to 923,056.29, 1,273,814.91 and 515,153.66

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Solution

The fourth proportional to 923,056.29, 1,273,814.91 and 515,153.66 is: 710,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,056.29 : 1,273,814.91 = 515,153.66 : x
  2. Step 2: Convert to fraction form
    923,056.29/1,273,814.91 = 515,153.66/x
  3. Step 3: Cross multiply
    923,056.29x = 1,273,814.91 × 515,153.66
  4. Step 4: Simplify right side
    923,056.29x = 656,210,406,680.00
  5. Step 5: Solve for x
    x = 656,210,406,680.00/923,056.29
  6. Step 6: Final answer
    x = 710,910.50

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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.