Home / 839,879.90-1,158,984.30-477,253.44

Finding the Fourth Proportional to 839,879.90, 1,158,984.30 and 477,253.44

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Solution

The fourth proportional to 839,879.90, 1,158,984.30 and 477,253.44 is: 658,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,879.90 : 1,158,984.30 = 477,253.44 : x
  2. Step 2: Convert to fraction form
    839,879.90/1,158,984.30 = 477,253.44/x
  3. Step 3: Cross multiply
    839,879.90x = 1,158,984.30 × 477,253.44
  4. Step 4: Simplify right side
    839,879.90x = 553,129,244,080.99
  5. Step 5: Solve for x
    x = 553,129,244,080.99/839,879.90
  6. Step 6: Final answer
    x = 658,581.36

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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.