Home / 1,036,775.26-1,555,057.72-278,518.20

Finding the Fourth Proportional to 1,036,775.26, 1,555,057.72 and 278,518.20

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Solution

The fourth proportional to 1,036,775.26, 1,555,057.72 and 278,518.20 is: 417,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,775.26 : 1,555,057.72 = 278,518.20 : x
  2. Step 2: Convert to fraction form
    1,036,775.26/1,555,057.72 = 278,518.20/x
  3. Step 3: Cross multiply
    1,036,775.26x = 1,555,057.72 × 278,518.20
  4. Step 4: Simplify right side
    1,036,775.26x = 433,111,877,070.50
  5. Step 5: Solve for x
    x = 433,111,877,070.50/1,036,775.26
  6. Step 6: Final answer
    x = 417,749.05

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Half scale
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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.