Home / 942,828.64-1,301,078.55-513,099.55

Finding the Fourth Proportional to 942,828.64, 1,301,078.55 and 513,099.55

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Solution

The fourth proportional to 942,828.64, 1,301,078.55 and 513,099.55 is: 708,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,828.64 : 1,301,078.55 = 513,099.55 : x
  2. Step 2: Convert to fraction form
    942,828.64/1,301,078.55 = 513,099.55/x
  3. Step 3: Cross multiply
    942,828.64x = 1,301,078.55 × 513,099.55
  4. Step 4: Simplify right side
    942,828.64x = 667,582,818,519.65
  5. Step 5: Solve for x
    x = 667,582,818,519.65/942,828.64
  6. Step 6: Final answer
    x = 708,063.79

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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.