Home / 1,255,855.20-1,883,696.40-402,914.40

Finding the Fourth Proportional to 1,255,855.20, 1,883,696.40 and 402,914.40

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Solution

The fourth proportional to 1,255,855.20, 1,883,696.40 and 402,914.40 is: 604,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,855.20 : 1,883,696.40 = 402,914.40 : x
  2. Step 2: Convert to fraction form
    1,255,855.20/1,883,696.40 = 402,914.40/x
  3. Step 3: Cross multiply
    1,255,855.20x = 1,883,696.40 × 402,914.40
  4. Step 4: Simplify right side
    1,255,855.20x = 758,968,404,788.16
  5. Step 5: Solve for x
    x = 758,968,404,788.16/1,255,855.20
  6. Step 6: Final answer
    x = 604,343.88

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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.