Home / 1,085,419.65-1,628,207.24-286,693.23

Finding the Fourth Proportional to 1,085,419.65, 1,628,207.24 and 286,693.23

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Solution

The fourth proportional to 1,085,419.65, 1,628,207.24 and 286,693.23 is: 430,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,419.65 : 1,628,207.24 = 286,693.23 : x
  2. Step 2: Convert to fraction form
    1,085,419.65/1,628,207.24 = 286,693.23/x
  3. Step 3: Cross multiply
    1,085,419.65x = 1,628,207.24 × 286,693.23
  4. Step 4: Simplify right side
    1,085,419.65x = 466,795,991,311.52
  5. Step 5: Solve for x
    x = 466,795,991,311.52/1,085,419.65
  6. Step 6: Final answer
    x = 430,060.38

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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.