Home / 838,673.50-1,157,418.02-631,571.14

Finding the Fourth Proportional to 838,673.50, 1,157,418.02 and 631,571.14

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Solution

The fourth proportional to 838,673.50, 1,157,418.02 and 631,571.14 is: 871,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,673.50 : 1,157,418.02 = 631,571.14 : x
  2. Step 2: Convert to fraction form
    838,673.50/1,157,418.02 = 631,571.14/x
  3. Step 3: Cross multiply
    838,673.50x = 1,157,418.02 × 631,571.14
  4. Step 4: Simplify right side
    838,673.50x = 730,991,818,347.94
  5. Step 5: Solve for x
    x = 730,991,818,347.94/838,673.50
  6. Step 6: Final answer
    x = 871,604.76

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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.