Home / 702,920.60-1,052,947.30-435,861.40

Finding the Fourth Proportional to 702,920.60, 1,052,947.30 and 435,861.40

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Solution

The fourth proportional to 702,920.60, 1,052,947.30 and 435,861.40 is: 652,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,920.60 : 1,052,947.30 = 435,861.40 : x
  2. Step 2: Convert to fraction form
    702,920.60/1,052,947.30 = 435,861.40/x
  3. Step 3: Cross multiply
    702,920.60x = 1,052,947.30 × 435,861.40
  4. Step 4: Simplify right side
    702,920.60x = 458,939,084,304.22
  5. Step 5: Solve for x
    x = 458,939,084,304.22/702,920.60
  6. Step 6: Final answer
    x = 652,903.16

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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.