Home / 735,555.80-1,103,333.70-262,256.60

Finding the Fourth Proportional to 735,555.80, 1,103,333.70 and 262,256.60

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Solution

The fourth proportional to 735,555.80, 1,103,333.70 and 262,256.60 is: 393,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,555.80 : 1,103,333.70 = 262,256.60 : x
  2. Step 2: Convert to fraction form
    735,555.80/1,103,333.70 = 262,256.60/x
  3. Step 3: Cross multiply
    735,555.80x = 1,103,333.70 × 262,256.60
  4. Step 4: Simplify right side
    735,555.80x = 289,356,544,827.42
  5. Step 5: Solve for x
    x = 289,356,544,827.42/735,555.80
  6. Step 6: Final answer
    x = 393,384.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.