Home / 558,319.56-770,604.99-340,576.35

Finding the Fourth Proportional to 558,319.56, 770,604.99 and 340,576.35

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Solution

The fourth proportional to 558,319.56, 770,604.99 and 340,576.35 is: 470,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,319.56 : 770,604.99 = 340,576.35 : x
  2. Step 2: Convert to fraction form
    558,319.56/770,604.99 = 340,576.35/x
  3. Step 3: Cross multiply
    558,319.56x = 770,604.99 × 340,576.35
  4. Step 4: Simplify right side
    558,319.56x = 262,449,834,785.99
  5. Step 5: Solve for x
    x = 262,449,834,785.99/558,319.56
  6. Step 6: Final answer
    x = 470,071.00

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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.