Home / 1,131,023.04-1,560,813.48-621,728.52

Finding the Fourth Proportional to 1,131,023.04, 1,560,813.48 and 621,728.52

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Solution

The fourth proportional to 1,131,023.04, 1,560,813.48 and 621,728.52 is: 857,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,023.04 : 1,560,813.48 = 621,728.52 : x
  2. Step 2: Convert to fraction form
    1,131,023.04/1,560,813.48 = 621,728.52/x
  3. Step 3: Cross multiply
    1,131,023.04x = 1,560,813.48 × 621,728.52
  4. Step 4: Simplify right side
    1,131,023.04x = 970,402,254,916.45
  5. Step 5: Solve for x
    x = 970,402,254,916.45/1,131,023.04
  6. Step 6: Final answer
    x = 857,986.28

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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.