Home / 905,448.35-1,249,586.41-561,351.24

Finding the Fourth Proportional to 905,448.35, 1,249,586.41 and 561,351.24

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Solution

The fourth proportional to 905,448.35, 1,249,586.41 and 561,351.24 is: 774,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,448.35 : 1,249,586.41 = 561,351.24 : x
  2. Step 2: Convert to fraction form
    905,448.35/1,249,586.41 = 561,351.24/x
  3. Step 3: Cross multiply
    905,448.35x = 1,249,586.41 × 561,351.24
  4. Step 4: Simplify right side
    905,448.35x = 701,456,871,685.96
  5. Step 5: Solve for x
    x = 701,456,871,685.96/905,448.35
  6. Step 6: Final answer
    x = 774,706.67

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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.