Home / 931,334.16-1,285,016.64-543,929.76

Finding the Fourth Proportional to 931,334.16, 1,285,016.64 and 543,929.76

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Solution

The fourth proportional to 931,334.16, 1,285,016.64 and 543,929.76 is: 750,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,334.16 : 1,285,016.64 = 543,929.76 : x
  2. Step 2: Convert to fraction form
    931,334.16/1,285,016.64 = 543,929.76/x
  3. Step 3: Cross multiply
    931,334.16x = 1,285,016.64 × 543,929.76
  4. Step 4: Simplify right side
    931,334.16x = 698,958,792,591.21
  5. Step 5: Solve for x
    x = 698,958,792,591.21/931,334.16
  6. Step 6: Final answer
    x = 750,491.95

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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.