Home / 1,456,085.40-2,183,739.30-445,205.40

Finding the Fourth Proportional to 1,456,085.40, 2,183,739.30 and 445,205.40

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Solution

The fourth proportional to 1,456,085.40, 2,183,739.30 and 445,205.40 is: 667,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,085.40 : 2,183,739.30 = 445,205.40 : x
  2. Step 2: Convert to fraction form
    1,456,085.40/2,183,739.30 = 445,205.40/x
  3. Step 3: Cross multiply
    1,456,085.40x = 2,183,739.30 × 445,205.40
  4. Step 4: Simplify right side
    1,456,085.40x = 972,212,528,552.22
  5. Step 5: Solve for x
    x = 972,212,528,552.22/1,456,085.40
  6. Step 6: Final answer
    x = 667,689.22

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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.