Home / 746,688.48-1,120,027.92-447,254.16

Finding the Fourth Proportional to 746,688.48, 1,120,027.92 and 447,254.16

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Solution

The fourth proportional to 746,688.48, 1,120,027.92 and 447,254.16 is: 670,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,688.48 : 1,120,027.92 = 447,254.16 : x
  2. Step 2: Convert to fraction form
    746,688.48/1,120,027.92 = 447,254.16/x
  3. Step 3: Cross multiply
    746,688.48x = 1,120,027.92 × 447,254.16
  4. Step 4: Simplify right side
    746,688.48x = 500,937,146,536.15
  5. Step 5: Solve for x
    x = 500,937,146,536.15/746,688.48
  6. Step 6: Final answer
    x = 670,878.36

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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.