Home / 463,430.03-639,515.73-259,461.87

Finding the Fourth Proportional to 463,430.03, 639,515.73 and 259,461.87

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Solution

The fourth proportional to 463,430.03, 639,515.73 and 259,461.87 is: 358,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,430.03 : 639,515.73 = 259,461.87 : x
  2. Step 2: Convert to fraction form
    463,430.03/639,515.73 = 259,461.87/x
  3. Step 3: Cross multiply
    463,430.03x = 639,515.73 × 259,461.87
  4. Step 4: Simplify right side
    463,430.03x = 165,929,947,200.22
  5. Step 5: Solve for x
    x = 165,929,947,200.22/463,430.03
  6. Step 6: Final answer
    x = 358,047.46

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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.