Home / 898,433.28-1,239,805.44-496,016.64

Finding the Fourth Proportional to 898,433.28, 1,239,805.44 and 496,016.64

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Solution

The fourth proportional to 898,433.28, 1,239,805.44 and 496,016.64 is: 684,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,433.28 : 1,239,805.44 = 496,016.64 : x
  2. Step 2: Convert to fraction form
    898,433.28/1,239,805.44 = 496,016.64/x
  3. Step 3: Cross multiply
    898,433.28x = 1,239,805.44 × 496,016.64
  4. Step 4: Simplify right side
    898,433.28x = 614,964,128,602.52
  5. Step 5: Solve for x
    x = 614,964,128,602.52/898,433.28
  6. Step 6: Final answer
    x = 684,485.03

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Double scale
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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.