Home / 915,195.02-1,262,941.75-501,717.67

Finding the Fourth Proportional to 915,195.02, 1,262,941.75 and 501,717.67

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Solution

The fourth proportional to 915,195.02, 1,262,941.75 and 501,717.67 is: 692,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,195.02 : 1,262,941.75 = 501,717.67 : x
  2. Step 2: Convert to fraction form
    915,195.02/1,262,941.75 = 501,717.67/x
  3. Step 3: Cross multiply
    915,195.02x = 1,262,941.75 × 501,717.67
  4. Step 4: Simplify right side
    915,195.02x = 633,640,187,660.91
  5. Step 5: Solve for x
    x = 633,640,187,660.91/915,195.02
  6. Step 6: Final answer
    x = 692,355.37

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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.