Home / 821,337.16-1,133,433.30-458,766.16

Finding the Fourth Proportional to 821,337.16, 1,133,433.30 and 458,766.16

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Solution

The fourth proportional to 821,337.16, 1,133,433.30 and 458,766.16 is: 633,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,337.16 : 1,133,433.30 = 458,766.16 : x
  2. Step 2: Convert to fraction form
    821,337.16/1,133,433.30 = 458,766.16/x
  3. Step 3: Cross multiply
    821,337.16x = 1,133,433.30 × 458,766.16
  4. Step 4: Simplify right side
    821,337.16x = 519,980,842,657.13
  5. Step 5: Solve for x
    x = 519,980,842,657.13/821,337.16
  6. Step 6: Final answer
    x = 633,090.61

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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.