Home / 1,255,841.67-1,883,762.51-309,212.40

Finding the Fourth Proportional to 1,255,841.67, 1,883,762.51 and 309,212.40

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Solution

The fourth proportional to 1,255,841.67, 1,883,762.51 and 309,212.40 is: 463,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,841.67 : 1,883,762.51 = 309,212.40 : x
  2. Step 2: Convert to fraction form
    1,255,841.67/1,883,762.51 = 309,212.40/x
  3. Step 3: Cross multiply
    1,255,841.67x = 1,883,762.51 × 309,212.40
  4. Step 4: Simplify right side
    1,255,841.67x = 582,482,725,201.06
  5. Step 5: Solve for x
    x = 582,482,725,201.06/1,255,841.67
  6. Step 6: Final answer
    x = 463,818.60

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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.