Home / 742,209.12-1,113,160.56-362,740.32

Finding the Fourth Proportional to 742,209.12, 1,113,160.56 and 362,740.32

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Solution

The fourth proportional to 742,209.12, 1,113,160.56 and 362,740.32 is: 544,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,209.12 : 1,113,160.56 = 362,740.32 : x
  2. Step 2: Convert to fraction form
    742,209.12/1,113,160.56 = 362,740.32/x
  3. Step 3: Cross multiply
    742,209.12x = 1,113,160.56 × 362,740.32
  4. Step 4: Simplify right side
    742,209.12x = 403,788,217,745.78
  5. Step 5: Solve for x
    x = 403,788,217,745.78/742,209.12
  6. Step 6: Final answer
    x = 544,035.65

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1.5x scale

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.