Home / 734,026.70-1,012,954.73-407,389.04

Finding the Fourth Proportional to 734,026.70, 1,012,954.73 and 407,389.04

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Solution

The fourth proportional to 734,026.70, 1,012,954.73 and 407,389.04 is: 562,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,026.70 : 1,012,954.73 = 407,389.04 : x
  2. Step 2: Convert to fraction form
    734,026.70/1,012,954.73 = 407,389.04/x
  3. Step 3: Cross multiply
    734,026.70x = 1,012,954.73 × 407,389.04
  4. Step 4: Simplify right side
    734,026.70x = 412,666,650,971.86
  5. Step 5: Solve for x
    x = 412,666,650,971.86/734,026.70
  6. Step 6: Final answer
    x = 562,195.69

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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.