Home / 748,937.50-1,033,533.62-409,405.76

Finding the Fourth Proportional to 748,937.50, 1,033,533.62 and 409,405.76

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Solution

The fourth proportional to 748,937.50, 1,033,533.62 and 409,405.76 is: 564,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,937.50 : 1,033,533.62 = 409,405.76 : x
  2. Step 2: Convert to fraction form
    748,937.50/1,033,533.62 = 409,405.76/x
  3. Step 3: Cross multiply
    748,937.50x = 1,033,533.62 × 409,405.76
  4. Step 4: Simplify right side
    748,937.50x = 423,134,617,181.65
  5. Step 5: Solve for x
    x = 423,134,617,181.65/748,937.50
  6. Step 6: Final answer
    x = 564,979.88

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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.