Home / 1,231,006.76-1,698,782.84-714,887.57

Finding the Fourth Proportional to 1,231,006.76, 1,698,782.84 and 714,887.57

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Solution

The fourth proportional to 1,231,006.76, 1,698,782.84 and 714,887.57 is: 986,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,006.76 : 1,698,782.84 = 714,887.57 : x
  2. Step 2: Convert to fraction form
    1,231,006.76/1,698,782.84 = 714,887.57/x
  3. Step 3: Cross multiply
    1,231,006.76x = 1,698,782.84 × 714,887.57
  4. Step 4: Simplify right side
    1,231,006.76x = 1,214,438,739,798.65
  5. Step 5: Solve for x
    x = 1,214,438,739,798.65/1,231,006.76
  6. Step 6: Final answer
    x = 986,541.08

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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.