Home / 1,255,499.70-1,883,249.55-456,807.30

Finding the Fourth Proportional to 1,255,499.70, 1,883,249.55 and 456,807.30

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Solution

The fourth proportional to 1,255,499.70, 1,883,249.55 and 456,807.30 is: 685,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,499.70 : 1,883,249.55 = 456,807.30 : x
  2. Step 2: Convert to fraction form
    1,255,499.70/1,883,249.55 = 456,807.30/x
  3. Step 3: Cross multiply
    1,255,499.70x = 1,883,249.55 × 456,807.30
  4. Step 4: Simplify right side
    1,255,499.70x = 860,282,142,161.72
  5. Step 5: Solve for x
    x = 860,282,142,161.72/1,255,499.70
  6. Step 6: Final answer
    x = 685,210.95

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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.