Home / 734,649.81-1,013,782.61-407,983.56

Finding the Fourth Proportional to 734,649.81, 1,013,782.61 and 407,983.56

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Solution

The fourth proportional to 734,649.81, 1,013,782.61 and 407,983.56 is: 562,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,649.81 : 1,013,782.61 = 407,983.56 : x
  2. Step 2: Convert to fraction form
    734,649.81/1,013,782.61 = 407,983.56/x
  3. Step 3: Cross multiply
    734,649.81x = 1,013,782.61 × 407,983.56
  4. Step 4: Simplify right side
    734,649.81x = 413,606,636,253.97
  5. Step 5: Solve for x
    x = 413,606,636,253.97/734,649.81
  6. Step 6: Final answer
    x = 562,998.36

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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.