Home / 1,173,652.62-1,619,680.40-657,428.54

Finding the Fourth Proportional to 1,173,652.62, 1,619,680.40 and 657,428.54

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Solution

The fourth proportional to 1,173,652.62, 1,619,680.40 and 657,428.54 is: 907,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,652.62 : 1,619,680.40 = 657,428.54 : x
  2. Step 2: Convert to fraction form
    1,173,652.62/1,619,680.40 = 657,428.54/x
  3. Step 3: Cross multiply
    1,173,652.62x = 1,619,680.40 × 657,428.54
  4. Step 4: Simplify right side
    1,173,652.62x = 1,064,824,120,638.62
  5. Step 5: Solve for x
    x = 1,064,824,120,638.62/1,173,652.62
  6. Step 6: Final answer
    x = 907,273.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.