Home / 1,017,472.53-1,404,128.57-558,629.40

Finding the Fourth Proportional to 1,017,472.53, 1,404,128.57 and 558,629.40

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Solution

The fourth proportional to 1,017,472.53, 1,404,128.57 and 558,629.40 is: 770,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,472.53 : 1,404,128.57 = 558,629.40 : x
  2. Step 2: Convert to fraction form
    1,017,472.53/1,404,128.57 = 558,629.40/x
  3. Step 3: Cross multiply
    1,017,472.53x = 1,404,128.57 × 558,629.40
  4. Step 4: Simplify right side
    1,017,472.53x = 784,387,497,788.81
  5. Step 5: Solve for x
    x = 784,387,497,788.81/1,017,472.53
  6. Step 6: Final answer
    x = 770,917.62

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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.