Home / 821,417.19-1,133,550.88-458,839.95

Finding the Fourth Proportional to 821,417.19, 1,133,550.88 and 458,839.95

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Solution

The fourth proportional to 821,417.19, 1,133,550.88 and 458,839.95 is: 633,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,417.19 : 1,133,550.88 = 458,839.95 : x
  2. Step 2: Convert to fraction form
    821,417.19/1,133,550.88 = 458,839.95/x
  3. Step 3: Cross multiply
    821,417.19x = 1,133,550.88 × 458,839.95
  4. Step 4: Simplify right side
    821,417.19x = 520,118,429,101.66
  5. Step 5: Solve for x
    x = 520,118,429,101.66/821,417.19
  6. Step 6: Final answer
    x = 633,196.43

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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.