Home / 644,264.36-962,057.89-526,169.96

Finding the Fourth Proportional to 644,264.36, 962,057.89 and 526,169.96

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Solution

The fourth proportional to 644,264.36, 962,057.89 and 526,169.96 is: 785,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,264.36 : 962,057.89 = 526,169.96 : x
  2. Step 2: Convert to fraction form
    644,264.36/962,057.89 = 526,169.96/x
  3. Step 3: Cross multiply
    644,264.36x = 962,057.89 × 526,169.96
  4. Step 4: Simplify right side
    644,264.36x = 506,205,961,498.98
  5. Step 5: Solve for x
    x = 506,205,961,498.98/644,264.36
  6. Step 6: Final answer
    x = 785,711.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.