Home / 713,012-983,956.56-426,544.16

Finding the Fourth Proportional to 713,012, 983,956.56 and 426,544.16

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Solution

The fourth proportional to 713,012, 983,956.56 and 426,544.16 is: 588,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,012 : 983,956.56 = 426,544.16 : x
  2. Step 2: Convert to fraction form
    713,012/983,956.56 = 426,544.16/x
  3. Step 3: Cross multiply
    713,012x = 983,956.56 × 426,544.16
  4. Step 4: Simplify right side
    713,012x = 419,700,924,361.69
  5. Step 5: Solve for x
    x = 419,700,924,361.69/713,012
  6. Step 6: Final answer
    x = 588,630.94

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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.