Home / 735,152.80-1,102,729.20-361,904.80

Finding the Fourth Proportional to 735,152.80, 1,102,729.20 and 361,904.80

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Solution

The fourth proportional to 735,152.80, 1,102,729.20 and 361,904.80 is: 542,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,152.80 : 1,102,729.20 = 361,904.80 : x
  2. Step 2: Convert to fraction form
    735,152.80/1,102,729.20 = 361,904.80/x
  3. Step 3: Cross multiply
    735,152.80x = 1,102,729.20 × 361,904.80
  4. Step 4: Simplify right side
    735,152.80x = 399,082,990,580.16
  5. Step 5: Solve for x
    x = 399,082,990,580.16/735,152.80
  6. Step 6: Final answer
    x = 542,857.20

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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.