Home / 1,085,419.07-1,628,206.99-286,690.22

Finding the Fourth Proportional to 1,085,419.07, 1,628,206.99 and 286,690.22

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Solution

The fourth proportional to 1,085,419.07, 1,628,206.99 and 286,690.22 is: 430,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,419.07 : 1,628,206.99 = 286,690.22 : x
  2. Step 2: Convert to fraction form
    1,085,419.07/1,628,206.99 = 286,690.22/x
  3. Step 3: Cross multiply
    1,085,419.07x = 1,628,206.99 × 286,690.22
  4. Step 4: Simplify right side
    1,085,419.07x = 466,791,017,416.65
  5. Step 5: Solve for x
    x = 466,791,017,416.65/1,085,419.07
  6. Step 6: Final answer
    x = 430,056.03

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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.