Home / 656,088.04-905,404.26-369,611.56

Finding the Fourth Proportional to 656,088.04, 905,404.26 and 369,611.56

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Solution

The fourth proportional to 656,088.04, 905,404.26 and 369,611.56 is: 510,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,088.04 : 905,404.26 = 369,611.56 : x
  2. Step 2: Convert to fraction form
    656,088.04/905,404.26 = 369,611.56/x
  3. Step 3: Cross multiply
    656,088.04x = 905,404.26 × 369,611.56
  4. Step 4: Simplify right side
    656,088.04x = 334,647,880,969.25
  5. Step 5: Solve for x
    x = 334,647,880,969.25/656,088.04
  6. Step 6: Final answer
    x = 510,065.51

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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.