Home / 1,974,561.42-2,961,956.95-554,728.21

Finding the Fourth Proportional to 1,974,561.42, 2,961,956.95 and 554,728.21

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Solution

The fourth proportional to 1,974,561.42, 2,961,956.95 and 554,728.21 is: 832,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,561.42 : 2,961,956.95 = 554,728.21 : x
  2. Step 2: Convert to fraction form
    1,974,561.42/2,961,956.95 = 554,728.21/x
  3. Step 3: Cross multiply
    1,974,561.42x = 2,961,956.95 × 554,728.21
  4. Step 4: Simplify right side
    1,974,561.42x = 1,643,081,076,970.56
  5. Step 5: Solve for x
    x = 1,643,081,076,970.56/1,974,561.42
  6. Step 6: Final answer
    x = 832,124.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.