Home / 969,440.49-1,337,481.59-561,319.56

Finding the Fourth Proportional to 969,440.49, 1,337,481.59 and 561,319.56

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Solution

The fourth proportional to 969,440.49, 1,337,481.59 and 561,319.56 is: 774,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,440.49 : 1,337,481.59 = 561,319.56 : x
  2. Step 2: Convert to fraction form
    969,440.49/1,337,481.59 = 561,319.56/x
  3. Step 3: Cross multiply
    969,440.49x = 1,337,481.59 × 561,319.56
  4. Step 4: Simplify right side
    969,440.49x = 750,754,577,606.90
  5. Step 5: Solve for x
    x = 750,754,577,606.90/969,440.49
  6. Step 6: Final answer
    x = 774,420.49

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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.