Home / 874,700.17-1,312,190.85-306,068.56

Finding the Fourth Proportional to 874,700.17, 1,312,190.85 and 306,068.56

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Solution

The fourth proportional to 874,700.17, 1,312,190.85 and 306,068.56 is: 459,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,700.17 : 1,312,190.85 = 306,068.56 : x
  2. Step 2: Convert to fraction form
    874,700.17/1,312,190.85 = 306,068.56/x
  3. Step 3: Cross multiply
    874,700.17x = 1,312,190.85 × 306,068.56
  4. Step 4: Simplify right side
    874,700.17x = 401,620,363,904.68
  5. Step 5: Solve for x
    x = 401,620,363,904.68/874,700.17
  6. Step 6: Final answer
    x = 459,152.04

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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.