Home / 821,551.77-1,133,741.34-458,975.72

Finding the Fourth Proportional to 821,551.77, 1,133,741.34 and 458,975.72

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Solution

The fourth proportional to 821,551.77, 1,133,741.34 and 458,975.72 is: 633,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,551.77 : 1,133,741.34 = 458,975.72 : x
  2. Step 2: Convert to fraction form
    821,551.77/1,133,741.34 = 458,975.72/x
  3. Step 3: Cross multiply
    821,551.77x = 1,133,741.34 × 458,975.72
  4. Step 4: Simplify right side
    821,551.77x = 520,359,750,654.62
  5. Step 5: Solve for x
    x = 520,359,750,654.62/821,551.77
  6. Step 6: Final answer
    x = 633,386.44

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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.