Home / 746,690.48-1,120,030.92-447,256.16

Finding the Fourth Proportional to 746,690.48, 1,120,030.92 and 447,256.16

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Solution

The fourth proportional to 746,690.48, 1,120,030.92 and 447,256.16 is: 670,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,690.48 : 1,120,030.92 = 447,256.16 : x
  2. Step 2: Convert to fraction form
    746,690.48/1,120,030.92 = 447,256.16/x
  3. Step 3: Cross multiply
    746,690.48x = 1,120,030.92 × 447,256.16
  4. Step 4: Simplify right side
    746,690.48x = 500,940,728,360.47
  5. Step 5: Solve for x
    x = 500,940,728,360.47/746,690.48
  6. Step 6: Final answer
    x = 670,881.36

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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.