Home / 747,096.69-1,031,009.81-407,564.67

Finding the Fourth Proportional to 747,096.69, 1,031,009.81 and 407,564.67

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Solution

The fourth proportional to 747,096.69, 1,031,009.81 and 407,564.67 is: 562,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,096.69 : 1,031,009.81 = 407,564.67 : x
  2. Step 2: Convert to fraction form
    747,096.69/1,031,009.81 = 407,564.67/x
  3. Step 3: Cross multiply
    747,096.69x = 1,031,009.81 × 407,564.67
  4. Step 4: Simplify right side
    747,096.69x = 420,203,170,941.59
  5. Step 5: Solve for x
    x = 420,203,170,941.59/747,096.69
  6. Step 6: Final answer
    x = 562,448.18

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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.