Home / 697,554.05-962,561.81-407,190.81

Finding the Fourth Proportional to 697,554.05, 962,561.81 and 407,190.81

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Solution

The fourth proportional to 697,554.05, 962,561.81 and 407,190.81 is: 561,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,554.05 : 962,561.81 = 407,190.81 : x
  2. Step 2: Convert to fraction form
    697,554.05/962,561.81 = 407,190.81/x
  3. Step 3: Cross multiply
    697,554.05x = 962,561.81 × 407,190.81
  4. Step 4: Simplify right side
    697,554.05x = 391,946,324,106.94
  5. Step 5: Solve for x
    x = 391,946,324,106.94/697,554.05
  6. Step 6: Final answer
    x = 561,886.68

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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.