Home / 820,935.51-1,132,880.25-458,365.53

Finding the Fourth Proportional to 820,935.51, 1,132,880.25 and 458,365.53

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Solution

The fourth proportional to 820,935.51, 1,132,880.25 and 458,365.53 is: 632,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,935.51 : 1,132,880.25 = 458,365.53 : x
  2. Step 2: Convert to fraction form
    820,935.51/1,132,880.25 = 458,365.53/x
  3. Step 3: Cross multiply
    820,935.51x = 1,132,880.25 × 458,365.53
  4. Step 4: Simplify right side
    820,935.51x = 519,273,256,217.78
  5. Step 5: Solve for x
    x = 519,273,256,217.78/820,935.51
  6. Step 6: Final answer
    x = 632,538.43

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1.5x scale

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.