Home / 702,921.10-1,052,948.05-435,861.90

Finding the Fourth Proportional to 702,921.10, 1,052,948.05 and 435,861.90

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Solution

The fourth proportional to 702,921.10, 1,052,948.05 and 435,861.90 is: 652,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,921.10 : 1,052,948.05 = 435,861.90 : x
  2. Step 2: Convert to fraction form
    702,921.10/1,052,948.05 = 435,861.90/x
  3. Step 3: Cross multiply
    702,921.10x = 1,052,948.05 × 435,861.90
  4. Step 4: Simplify right side
    702,921.10x = 458,939,937,674.30
  5. Step 5: Solve for x
    x = 458,939,937,674.30/702,921.10
  6. Step 6: Final answer
    x = 652,903.91

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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.