Home / 838,738.36-1,157,450.97-456,771.52

Finding the Fourth Proportional to 838,738.36, 1,157,450.97 and 456,771.52

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Solution

The fourth proportional to 838,738.36, 1,157,450.97 and 456,771.52 is: 630,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,738.36 : 1,157,450.97 = 456,771.52 : x
  2. Step 2: Convert to fraction form
    838,738.36/1,157,450.97 = 456,771.52/x
  3. Step 3: Cross multiply
    838,738.36x = 1,157,450.97 × 456,771.52
  4. Step 4: Simplify right side
    838,738.36x = 528,690,638,892.37
  5. Step 5: Solve for x
    x = 528,690,638,892.37/838,738.36
  6. Step 6: Final answer
    x = 630,340.36

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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.