Home / 838,771.10-1,157,536.89-476,228.69

Finding the Fourth Proportional to 838,771.10, 1,157,536.89 and 476,228.69

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Solution

The fourth proportional to 838,771.10, 1,157,536.89 and 476,228.69 is: 657,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,771.10 : 1,157,536.89 = 476,228.69 : x
  2. Step 2: Convert to fraction form
    838,771.10/1,157,536.89 = 476,228.69/x
  3. Step 3: Cross multiply
    838,771.10x = 1,157,536.89 × 476,228.69
  4. Step 4: Simplify right side
    838,771.10x = 551,252,279,645.22
  5. Step 5: Solve for x
    x = 551,252,279,645.22/838,771.10
  6. Step 6: Final answer
    x = 657,214.20

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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.