Home / 1,036,628.80-1,555,634.40-475,374.40

Finding the Fourth Proportional to 1,036,628.80, 1,555,634.40 and 475,374.40

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Solution

The fourth proportional to 1,036,628.80, 1,555,634.40 and 475,374.40 is: 713,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,628.80 : 1,555,634.40 = 475,374.40 : x
  2. Step 2: Convert to fraction form
    1,036,628.80/1,555,634.40 = 475,374.40/x
  3. Step 3: Cross multiply
    1,036,628.80x = 1,555,634.40 × 475,374.40
  4. Step 4: Simplify right side
    1,036,628.80x = 739,508,769,519.36
  5. Step 5: Solve for x
    x = 739,508,769,519.36/1,036,628.80
  6. Step 6: Final answer
    x = 713,378.57

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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.