Home / 938,828.66-1,295,583.89-509,108.67

Finding the Fourth Proportional to 938,828.66, 1,295,583.89 and 509,108.67

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Solution

The fourth proportional to 938,828.66, 1,295,583.89 and 509,108.67 is: 702,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,828.66 : 1,295,583.89 = 509,108.67 : x
  2. Step 2: Convert to fraction form
    938,828.66/1,295,583.89 = 509,108.67/x
  3. Step 3: Cross multiply
    938,828.66x = 1,295,583.89 × 509,108.67
  4. Step 4: Simplify right side
    938,828.66x = 659,592,997,242.54
  5. Step 5: Solve for x
    x = 659,592,997,242.54/938,828.66
  6. Step 6: Final answer
    x = 702,570.16

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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.