Home / 702,913.60-1,052,936.80-435,854.40

Finding the Fourth Proportional to 702,913.60, 1,052,936.80 and 435,854.40

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Solution

The fourth proportional to 702,913.60, 1,052,936.80 and 435,854.40 is: 652,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,913.60 : 1,052,936.80 = 435,854.40 : x
  2. Step 2: Convert to fraction form
    702,913.60/1,052,936.80 = 435,854.40/x
  3. Step 3: Cross multiply
    702,913.60x = 1,052,936.80 × 435,854.40
  4. Step 4: Simplify right side
    702,913.60x = 458,927,137,201.92
  5. Step 5: Solve for x
    x = 458,927,137,201.92/702,913.60
  6. Step 6: Final answer
    x = 652,892.67

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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.