Home / 624,979.10-862,541.26-353,064.51

Finding the Fourth Proportional to 624,979.10, 862,541.26 and 353,064.51

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Solution

The fourth proportional to 624,979.10, 862,541.26 and 353,064.51 is: 487,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,979.10 : 862,541.26 = 353,064.51 : x
  2. Step 2: Convert to fraction form
    624,979.10/862,541.26 = 353,064.51/x
  3. Step 3: Cross multiply
    624,979.10x = 862,541.26 × 353,064.51
  4. Step 4: Simplify right side
    624,979.10x = 304,532,705,399.15
  5. Step 5: Solve for x
    x = 304,532,705,399.15/624,979.10
  6. Step 6: Final answer
    x = 487,268.62

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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.