Home / 697,954.69-962,932.20-456,378.67

Finding the Fourth Proportional to 697,954.69, 962,932.20 and 456,378.67

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Solution

The fourth proportional to 697,954.69, 962,932.20 and 456,378.67 is: 629,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,954.69 : 962,932.20 = 456,378.67 : x
  2. Step 2: Convert to fraction form
    697,954.69/962,932.20 = 456,378.67/x
  3. Step 3: Cross multiply
    697,954.69x = 962,932.20 × 456,378.67
  4. Step 4: Simplify right side
    697,954.69x = 439,461,718,795.55
  5. Step 5: Solve for x
    x = 439,461,718,795.55/697,954.69
  6. Step 6: Final answer
    x = 629,642.19

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Double scale
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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.