Home / 702,920.10-1,052,946.55-435,860.90

Finding the Fourth Proportional to 702,920.10, 1,052,946.55 and 435,860.90

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Solution

The fourth proportional to 702,920.10, 1,052,946.55 and 435,860.90 is: 652,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,920.10 : 1,052,946.55 = 435,860.90 : x
  2. Step 2: Convert to fraction form
    702,920.10/1,052,946.55 = 435,860.90/x
  3. Step 3: Cross multiply
    702,920.10x = 1,052,946.55 × 435,860.90
  4. Step 4: Simplify right side
    702,920.10x = 458,938,230,934.90
  5. Step 5: Solve for x
    x = 458,938,230,934.90/702,920.10
  6. Step 6: Final answer
    x = 652,902.42

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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.