Home / 1,085,779.28-1,628,677.56-445,918.16

Finding the Fourth Proportional to 1,085,779.28, 1,628,677.56 and 445,918.16

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Solution

The fourth proportional to 1,085,779.28, 1,628,677.56 and 445,918.16 is: 668,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,779.28 : 1,628,677.56 = 445,918.16 : x
  2. Step 2: Convert to fraction form
    1,085,779.28/1,628,677.56 = 445,918.16/x
  3. Step 3: Cross multiply
    1,085,779.28x = 1,628,677.56 × 445,918.16
  4. Step 4: Simplify right side
    1,085,779.28x = 726,256,900,788.49
  5. Step 5: Solve for x
    x = 726,256,900,788.49/1,085,779.28
  6. Step 6: Final answer
    x = 668,880.79

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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.