Home / 609,638.06-841,711.32-380,544.14

Finding the Fourth Proportional to 609,638.06, 841,711.32 and 380,544.14

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Solution

The fourth proportional to 609,638.06, 841,711.32 and 380,544.14 is: 525,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,638.06 : 841,711.32 = 380,544.14 : x
  2. Step 2: Convert to fraction form
    609,638.06/841,711.32 = 380,544.14/x
  3. Step 3: Cross multiply
    609,638.06x = 841,711.32 × 380,544.14
  4. Step 4: Simplify right side
    609,638.06x = 320,308,310,397.67
  5. Step 5: Solve for x
    x = 320,308,310,397.67/609,638.06
  6. Step 6: Final answer
    x = 525,407.34

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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.