Home / 713,355.67-1,070,383.74-286,874.25

Finding the Fourth Proportional to 713,355.67, 1,070,383.74 and 286,874.25

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Solution

The fourth proportional to 713,355.67, 1,070,383.74 and 286,874.25 is: 430,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,355.67 : 1,070,383.74 = 286,874.25 : x
  2. Step 2: Convert to fraction form
    713,355.67/1,070,383.74 = 286,874.25/x
  3. Step 3: Cross multiply
    713,355.67x = 1,070,383.74 × 286,874.25
  4. Step 4: Simplify right side
    713,355.67x = 307,065,532,624.70
  5. Step 5: Solve for x
    x = 307,065,532,624.70/713,355.67
  6. Step 6: Final answer
    x = 430,452.22

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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.