Home / 1,206,041.28-1,808,677.80-396,237.68

Finding the Fourth Proportional to 1,206,041.28, 1,808,677.80 and 396,237.68

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Solution

The fourth proportional to 1,206,041.28, 1,808,677.80 and 396,237.68 is: 594,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,041.28 : 1,808,677.80 = 396,237.68 : x
  2. Step 2: Convert to fraction form
    1,206,041.28/1,808,677.80 = 396,237.68/x
  3. Step 3: Cross multiply
    1,206,041.28x = 1,808,677.80 × 396,237.68
  4. Step 4: Simplify right side
    1,206,041.28x = 716,666,295,339.50
  5. Step 5: Solve for x
    x = 716,666,295,339.50/1,206,041.28
  6. Step 6: Final answer
    x = 594,230.32

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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.