Home / 1,111,037.38-1,533,226.81-621,006.21

Finding the Fourth Proportional to 1,111,037.38, 1,533,226.81 and 621,006.21

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Solution

The fourth proportional to 1,111,037.38, 1,533,226.81 and 621,006.21 is: 856,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,037.38 : 1,533,226.81 = 621,006.21 : x
  2. Step 2: Convert to fraction form
    1,111,037.38/1,533,226.81 = 621,006.21/x
  3. Step 3: Cross multiply
    1,111,037.38x = 1,533,226.81 × 621,006.21
  4. Step 4: Simplify right side
    1,111,037.38x = 952,143,370,348.49
  5. Step 5: Solve for x
    x = 952,143,370,348.49/1,111,037.38
  6. Step 6: Final answer
    x = 856,985.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.