Home / 813,584.36-1,122,746.40-451,007.30

Finding the Fourth Proportional to 813,584.36, 1,122,746.40 and 451,007.30

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Solution

The fourth proportional to 813,584.36, 1,122,746.40 and 451,007.30 is: 622,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,584.36 : 1,122,746.40 = 451,007.30 : x
  2. Step 2: Convert to fraction form
    813,584.36/1,122,746.40 = 451,007.30/x
  3. Step 3: Cross multiply
    813,584.36x = 1,122,746.40 × 451,007.30
  4. Step 4: Simplify right side
    813,584.36x = 506,366,822,448.72
  5. Step 5: Solve for x
    x = 506,366,822,448.72/813,584.36
  6. Step 6: Final answer
    x = 622,390.06

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1.5x scale

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.