Home / 943,619.20-1,302,108.80-561,584.32

Finding the Fourth Proportional to 943,619.20, 1,302,108.80 and 561,584.32

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Solution

The fourth proportional to 943,619.20, 1,302,108.80 and 561,584.32 is: 774,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,619.20 : 1,302,108.80 = 561,584.32 : x
  2. Step 2: Convert to fraction form
    943,619.20/1,302,108.80 = 561,584.32/x
  3. Step 3: Cross multiply
    943,619.20x = 1,302,108.80 × 561,584.32
  4. Step 4: Simplify right side
    943,619.20x = 731,243,885,014.02
  5. Step 5: Solve for x
    x = 731,243,885,014.02/943,619.20
  6. Step 6: Final answer
    x = 774,935.36

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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.