Home / 780,852.33-1,077,568.59-436,684.32

Finding the Fourth Proportional to 780,852.33, 1,077,568.59 and 436,684.32

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Solution

The fourth proportional to 780,852.33, 1,077,568.59 and 436,684.32 is: 602,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,852.33 : 1,077,568.59 = 436,684.32 : x
  2. Step 2: Convert to fraction form
    780,852.33/1,077,568.59 = 436,684.32/x
  3. Step 3: Cross multiply
    780,852.33x = 1,077,568.59 × 436,684.32
  4. Step 4: Simplify right side
    780,852.33x = 470,557,306,977.51
  5. Step 5: Solve for x
    x = 470,557,306,977.51/780,852.33
  6. Step 6: Final answer
    x = 602,620.10

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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.