Home / 1,137,968.96-1,570,393.92-654,627.20

Finding the Fourth Proportional to 1,137,968.96, 1,570,393.92 and 654,627.20

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Solution

The fourth proportional to 1,137,968.96, 1,570,393.92 and 654,627.20 is: 903,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,968.96 : 1,570,393.92 = 654,627.20 : x
  2. Step 2: Convert to fraction form
    1,137,968.96/1,570,393.92 = 654,627.20/x
  3. Step 3: Cross multiply
    1,137,968.96x = 1,570,393.92 × 654,627.20
  4. Step 4: Simplify right side
    1,137,968.96x = 1,028,022,574,746.62
  5. Step 5: Solve for x
    x = 1,028,022,574,746.62/1,137,968.96
  6. Step 6: Final answer
    x = 903,383.67

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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.