Home / 770,125.32-1,062,994.86-540,738.45

Finding the Fourth Proportional to 770,125.32, 1,062,994.86 and 540,738.45

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Solution

The fourth proportional to 770,125.32, 1,062,994.86 and 540,738.45 is: 746,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,125.32 : 1,062,994.86 = 540,738.45 : x
  2. Step 2: Convert to fraction form
    770,125.32/1,062,994.86 = 540,738.45/x
  3. Step 3: Cross multiply
    770,125.32x = 1,062,994.86 × 540,738.45
  4. Step 4: Simplify right side
    770,125.32x = 574,802,192,954.37
  5. Step 5: Solve for x
    x = 574,802,192,954.37/770,125.32
  6. Step 6: Final answer
    x = 746,374.88

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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.