Home / 859,624.02-1,186,257.60-477,640.98

Finding the Fourth Proportional to 859,624.02, 1,186,257.60 and 477,640.98

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Solution

The fourth proportional to 859,624.02, 1,186,257.60 and 477,640.98 is: 659,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,624.02 : 1,186,257.60 = 477,640.98 : x
  2. Step 2: Convert to fraction form
    859,624.02/1,186,257.60 = 477,640.98/x
  3. Step 3: Cross multiply
    859,624.02x = 1,186,257.60 × 477,640.98
  4. Step 4: Simplify right side
    859,624.02x = 566,605,242,596.45
  5. Step 5: Solve for x
    x = 566,605,242,596.45/859,624.02
  6. Step 6: Final answer
    x = 659,131.47

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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.