Home / 943,351.60-1,301,622.96-561,303.76

Finding the Fourth Proportional to 943,351.60, 1,301,622.96 and 561,303.76

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Solution

The fourth proportional to 943,351.60, 1,301,622.96 and 561,303.76 is: 774,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,351.60 : 1,301,622.96 = 561,303.76 : x
  2. Step 2: Convert to fraction form
    943,351.60/1,301,622.96 = 561,303.76/x
  3. Step 3: Cross multiply
    943,351.60x = 1,301,622.96 × 561,303.76
  4. Step 4: Simplify right side
    943,351.60x = 730,605,861,550.33
  5. Step 5: Solve for x
    x = 730,605,861,550.33/943,351.60
  6. Step 6: Final answer
    x = 774,478.85

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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.