Home / 1,114,735.50-1,538,335.38-631,300.76

Finding the Fourth Proportional to 1,114,735.50, 1,538,335.38 and 631,300.76

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Solution

The fourth proportional to 1,114,735.50, 1,538,335.38 and 631,300.76 is: 871,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,735.50 : 1,538,335.38 = 631,300.76 : x
  2. Step 2: Convert to fraction form
    1,114,735.50/1,538,335.38 = 631,300.76/x
  3. Step 3: Cross multiply
    1,114,735.50x = 1,538,335.38 × 631,300.76
  4. Step 4: Simplify right side
    1,114,735.50x = 971,152,294,528.89
  5. Step 5: Solve for x
    x = 971,152,294,528.89/1,114,735.50
  6. Step 6: Final answer
    x = 871,195.27

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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.