Home / 859,223.98-1,185,462.22-496,515.70

Finding the Fourth Proportional to 859,223.98, 1,185,462.22 and 496,515.70

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Solution

The fourth proportional to 859,223.98, 1,185,462.22 and 496,515.70 is: 685,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,223.98 : 1,185,462.22 = 496,515.70 : x
  2. Step 2: Convert to fraction form
    859,223.98/1,185,462.22 = 496,515.70/x
  3. Step 3: Cross multiply
    859,223.98x = 1,185,462.22 × 496,515.70
  4. Step 4: Simplify right side
    859,223.98x = 588,600,603,986.85
  5. Step 5: Solve for x
    x = 588,600,603,986.85/859,223.98
  6. Step 6: Final answer
    x = 685,037.45

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Double scale
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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.