Home / 859,154.38-1,185,600.09-477,205.54

Finding the Fourth Proportional to 859,154.38, 1,185,600.09 and 477,205.54

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Solution

The fourth proportional to 859,154.38, 1,185,600.09 and 477,205.54 is: 658,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,154.38 : 1,185,600.09 = 477,205.54 : x
  2. Step 2: Convert to fraction form
    859,154.38/1,185,600.09 = 477,205.54/x
  3. Step 3: Cross multiply
    859,154.38x = 1,185,600.09 × 477,205.54
  4. Step 4: Simplify right side
    859,154.38x = 565,774,931,172.50
  5. Step 5: Solve for x
    x = 565,774,931,172.50/859,154.38
  6. Step 6: Final answer
    x = 658,525.34

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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.