Home / 1,129,550.96-1,558,799.36-620,300.72

Finding the Fourth Proportional to 1,129,550.96, 1,558,799.36 and 620,300.72

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Solution

The fourth proportional to 1,129,550.96, 1,558,799.36 and 620,300.72 is: 856,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,550.96 : 1,558,799.36 = 620,300.72 : x
  2. Step 2: Convert to fraction form
    1,129,550.96/1,558,799.36 = 620,300.72/x
  3. Step 3: Cross multiply
    1,129,550.96x = 1,558,799.36 × 620,300.72
  4. Step 4: Simplify right side
    1,129,550.96x = 966,924,354,448.04
  5. Step 5: Solve for x
    x = 966,924,354,448.04/1,129,550.96
  6. Step 6: Final answer
    x = 856,025.44

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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.