Home / 1,256,147.63-1,884,222.46-309,518.45

Finding the Fourth Proportional to 1,256,147.63, 1,884,222.46 and 309,518.45

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Solution

The fourth proportional to 1,256,147.63, 1,884,222.46 and 309,518.45 is: 464,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,147.63 : 1,884,222.46 = 309,518.45 : x
  2. Step 2: Convert to fraction form
    1,256,147.63/1,884,222.46 = 309,518.45/x
  3. Step 3: Cross multiply
    1,256,147.63x = 1,884,222.46 × 309,518.45
  4. Step 4: Simplify right side
    1,256,147.63x = 583,201,611,564.97
  5. Step 5: Solve for x
    x = 583,201,611,564.97/1,256,147.63
  6. Step 6: Final answer
    x = 464,277.92

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Double scale
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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.