Home / 887,009.44-1,224,074.20-505,036.40

Finding the Fourth Proportional to 887,009.44, 1,224,074.20 and 505,036.40

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Solution

The fourth proportional to 887,009.44, 1,224,074.20 and 505,036.40 is: 696,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,009.44 : 1,224,074.20 = 505,036.40 : x
  2. Step 2: Convert to fraction form
    887,009.44/1,224,074.20 = 505,036.40/x
  3. Step 3: Cross multiply
    887,009.44x = 1,224,074.20 × 505,036.40
  4. Step 4: Simplify right side
    887,009.44x = 618,202,027,300.88
  5. Step 5: Solve for x
    x = 618,202,027,300.88/887,009.44
  6. Step 6: Final answer
    x = 696,950.90

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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.