Home / 1,224,946.66-1,690,417.53-681,078.24

Finding the Fourth Proportional to 1,224,946.66, 1,690,417.53 and 681,078.24

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Solution

The fourth proportional to 1,224,946.66, 1,690,417.53 and 681,078.24 is: 939,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,946.66 : 1,690,417.53 = 681,078.24 : x
  2. Step 2: Convert to fraction form
    1,224,946.66/1,690,417.53 = 681,078.24/x
  3. Step 3: Cross multiply
    1,224,946.66x = 1,690,417.53 × 681,078.24
  4. Step 4: Simplify right side
    1,224,946.66x = 1,151,306,596,197.55
  5. Step 5: Solve for x
    x = 1,151,306,596,197.55/1,224,946.66
  6. Step 6: Final answer
    x = 939,883.04

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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.