Home / 762,718-1,048,818.36-661,941.04

Finding the Fourth Proportional to 762,718, 1,048,818.36 and 661,941.04

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Solution

The fourth proportional to 762,718, 1,048,818.36 and 661,941.04 is: 910,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,718 : 1,048,818.36 = 661,941.04 : x
  2. Step 2: Convert to fraction form
    762,718/1,048,818.36 = 661,941.04/x
  3. Step 3: Cross multiply
    762,718x = 1,048,818.36 × 661,941.04
  4. Step 4: Simplify right side
    762,718x = 694,255,915,989.50
  5. Step 5: Solve for x
    x = 694,255,915,989.50/762,718
  6. Step 6: Final answer
    x = 910,239.32

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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.