Home / 702,914.60-1,052,938.30-435,855.40

Finding the Fourth Proportional to 702,914.60, 1,052,938.30 and 435,855.40

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Solution

The fourth proportional to 702,914.60, 1,052,938.30 and 435,855.40 is: 652,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,914.60 : 1,052,938.30 = 435,855.40 : x
  2. Step 2: Convert to fraction form
    702,914.60/1,052,938.30 = 435,855.40/x
  3. Step 3: Cross multiply
    702,914.60x = 1,052,938.30 × 435,855.40
  4. Step 4: Simplify right side
    702,914.60x = 458,928,843,921.82
  5. Step 5: Solve for x
    x = 458,928,843,921.82/702,914.60
  6. Step 6: Final answer
    x = 652,894.17

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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.