Home / 879,995.25-1,214,393.45-477,587.25

Finding the Fourth Proportional to 879,995.25, 1,214,393.45 and 477,587.25

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Solution

The fourth proportional to 879,995.25, 1,214,393.45 and 477,587.25 is: 659,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,995.25 : 1,214,393.45 = 477,587.25 : x
  2. Step 2: Convert to fraction form
    879,995.25/1,214,393.45 = 477,587.25/x
  3. Step 3: Cross multiply
    879,995.25x = 1,214,393.45 × 477,587.25
  4. Step 4: Simplify right side
    879,995.25x = 579,978,825,815.58
  5. Step 5: Solve for x
    x = 579,978,825,815.58/879,995.25
  6. Step 6: Final answer
    x = 659,070.41

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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.