Home / 1,083,854.70-1,626,703.65-485,736.30

Finding the Fourth Proportional to 1,083,854.70, 1,626,703.65 and 485,736.30

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Solution

The fourth proportional to 1,083,854.70, 1,626,703.65 and 485,736.30 is: 729,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,854.70 : 1,626,703.65 = 485,736.30 : x
  2. Step 2: Convert to fraction form
    1,083,854.70/1,626,703.65 = 485,736.30/x
  3. Step 3: Cross multiply
    1,083,854.70x = 1,626,703.65 × 485,736.30
  4. Step 4: Simplify right side
    1,083,854.70x = 790,149,012,147.50
  5. Step 5: Solve for x
    x = 790,149,012,147.50/1,083,854.70
  6. Step 6: Final answer
    x = 729,017.47

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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.