Home / 821,496.51-1,133,624.70-458,848.17

Finding the Fourth Proportional to 821,496.51, 1,133,624.70 and 458,848.17

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Solution

The fourth proportional to 821,496.51, 1,133,624.70 and 458,848.17 is: 633,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,496.51 : 1,133,624.70 = 458,848.17 : x
  2. Step 2: Convert to fraction form
    821,496.51/1,133,624.70 = 458,848.17/x
  3. Step 3: Cross multiply
    821,496.51x = 1,133,624.70 × 458,848.17
  4. Step 4: Simplify right side
    821,496.51x = 520,161,619,061.80
  5. Step 5: Solve for x
    x = 520,161,619,061.80/821,496.51
  6. Step 6: Final answer
    x = 633,187.86

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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.