Home / 821,336.16-1,133,431.92-458,765.16

Finding the Fourth Proportional to 821,336.16, 1,133,431.92 and 458,765.16

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Solution

The fourth proportional to 821,336.16, 1,133,431.92 and 458,765.16 is: 633,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,336.16 : 1,133,431.92 = 458,765.16 : x
  2. Step 2: Convert to fraction form
    821,336.16/1,133,431.92 = 458,765.16/x
  3. Step 3: Cross multiply
    821,336.16x = 1,133,431.92 × 458,765.16
  4. Step 4: Simplify right side
    821,336.16x = 519,979,076,127.91
  5. Step 5: Solve for x
    x = 519,979,076,127.91/821,336.16
  6. Step 6: Final answer
    x = 633,089.23

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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.