Home / 859,027.84-1,185,474.48-477,090.40

Finding the Fourth Proportional to 859,027.84, 1,185,474.48 and 477,090.40

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Solution

The fourth proportional to 859,027.84, 1,185,474.48 and 477,090.40 is: 658,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,027.84 : 1,185,474.48 = 477,090.40 : x
  2. Step 2: Convert to fraction form
    859,027.84/1,185,474.48 = 477,090.40/x
  3. Step 3: Cross multiply
    859,027.84x = 1,185,474.48 × 477,090.40
  4. Step 4: Simplify right side
    859,027.84x = 565,578,493,852.99
  5. Step 5: Solve for x
    x = 565,578,493,852.99/859,027.84
  6. Step 6: Final answer
    x = 658,393.67

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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.