Home / 886,623.47-1,223,541.75-504,650.25

Finding the Fourth Proportional to 886,623.47, 1,223,541.75 and 504,650.25

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Solution

The fourth proportional to 886,623.47, 1,223,541.75 and 504,650.25 is: 696,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,623.47 : 1,223,541.75 = 504,650.25 : x
  2. Step 2: Convert to fraction form
    886,623.47/1,223,541.75 = 504,650.25/x
  3. Step 3: Cross multiply
    886,623.47x = 1,223,541.75 × 504,650.25
  4. Step 4: Simplify right side
    886,623.47x = 617,460,651,915.38
  5. Step 5: Solve for x
    x = 617,460,651,915.38/886,623.47
  6. Step 6: Final answer
    x = 696,418.12

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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.