Home / 1,130,470.19-1,560,048.50-621,205.37

Finding the Fourth Proportional to 1,130,470.19, 1,560,048.50 and 621,205.37

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Solution

The fourth proportional to 1,130,470.19, 1,560,048.50 and 621,205.37 is: 857,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,470.19 : 1,560,048.50 = 621,205.37 : x
  2. Step 2: Convert to fraction form
    1,130,470.19/1,560,048.50 = 621,205.37/x
  3. Step 3: Cross multiply
    1,130,470.19x = 1,560,048.50 × 621,205.37
  4. Step 4: Simplify right side
    1,130,470.19x = 969,110,505,660.45
  5. Step 5: Solve for x
    x = 969,110,505,660.45/1,130,470.19
  6. Step 6: Final answer
    x = 857,263.21

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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.