Home / 837,608.58-1,155,908.70-455,636.34

Finding the Fourth Proportional to 837,608.58, 1,155,908.70 and 455,636.34

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Solution

The fourth proportional to 837,608.58, 1,155,908.70 and 455,636.34 is: 628,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,608.58 : 1,155,908.70 = 455,636.34 : x
  2. Step 2: Convert to fraction form
    837,608.58/1,155,908.70 = 455,636.34/x
  3. Step 3: Cross multiply
    837,608.58x = 1,155,908.70 × 455,636.34
  4. Step 4: Simplify right side
    837,608.58x = 526,674,009,442.16
  5. Step 5: Solve for x
    x = 526,674,009,442.16/837,608.58
  6. Step 6: Final answer
    x = 628,782.97

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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.