Home / 767,358.54-1,058,915.88-423,254.34

Finding the Fourth Proportional to 767,358.54, 1,058,915.88 and 423,254.34

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Solution

The fourth proportional to 767,358.54, 1,058,915.88 and 423,254.34 is: 584,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,358.54 : 1,058,915.88 = 423,254.34 : x
  2. Step 2: Convert to fraction form
    767,358.54/1,058,915.88 = 423,254.34/x
  3. Step 3: Cross multiply
    767,358.54x = 1,058,915.88 × 423,254.34
  4. Step 4: Simplify right side
    767,358.54x = 448,190,741,904.92
  5. Step 5: Solve for x
    x = 448,190,741,904.92/767,358.54
  6. Step 6: Final answer
    x = 584,069.53

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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.