Home / 1,085,415.14-1,628,200.49-286,688.72

Finding the Fourth Proportional to 1,085,415.14, 1,628,200.49 and 286,688.72

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Solution

The fourth proportional to 1,085,415.14, 1,628,200.49 and 286,688.72 is: 430,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,415.14 : 1,628,200.49 = 286,688.72 : x
  2. Step 2: Convert to fraction form
    1,085,415.14/1,628,200.49 = 286,688.72/x
  3. Step 3: Cross multiply
    1,085,415.14x = 1,628,200.49 × 286,688.72
  4. Step 4: Simplify right side
    1,085,415.14x = 466,786,704,807.03
  5. Step 5: Solve for x
    x = 466,786,704,807.03/1,085,415.14
  6. Step 6: Final answer
    x = 430,053.62

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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.