Home / 821,333.38-1,133,428.11-458,762.41

Finding the Fourth Proportional to 821,333.38, 1,133,428.11 and 458,762.41

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Solution

The fourth proportional to 821,333.38, 1,133,428.11 and 458,762.41 is: 633,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,333.38 : 1,133,428.11 = 458,762.41 : x
  2. Step 2: Convert to fraction form
    821,333.38/1,133,428.11 = 458,762.41/x
  3. Step 3: Cross multiply
    821,333.38x = 1,133,428.11 × 458,762.41
  4. Step 4: Simplify right side
    821,333.38x = 519,974,211,305.35
  5. Step 5: Solve for x
    x = 519,974,211,305.35/821,333.38
  6. Step 6: Final answer
    x = 633,085.45

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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.