Home / 890,204.51-1,333,785.42-636,187.20

Finding the Fourth Proportional to 890,204.51, 1,333,785.42 and 636,187.20

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Solution

The fourth proportional to 890,204.51, 1,333,785.42 and 636,187.20 is: 953,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,204.51 : 1,333,785.42 = 636,187.20 : x
  2. Step 2: Convert to fraction form
    890,204.51/1,333,785.42 = 636,187.20/x
  3. Step 3: Cross multiply
    890,204.51x = 1,333,785.42 × 636,187.20
  4. Step 4: Simplify right side
    890,204.51x = 848,537,211,750.62
  5. Step 5: Solve for x
    x = 848,537,211,750.62/890,204.51
  6. Step 6: Final answer
    x = 953,193.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.