Home / 891,503.28-1,337,205.78-651,862.80

Finding the Fourth Proportional to 891,503.28, 1,337,205.78 and 651,862.80

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Solution

The fourth proportional to 891,503.28, 1,337,205.78 and 651,862.80 is: 977,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,503.28 : 1,337,205.78 = 651,862.80 : x
  2. Step 2: Convert to fraction form
    891,503.28/1,337,205.78 = 651,862.80/x
  3. Step 3: Cross multiply
    891,503.28x = 1,337,205.78 × 651,862.80
  4. Step 4: Simplify right side
    891,503.28x = 871,674,703,926.98
  5. Step 5: Solve for x
    x = 871,674,703,926.98/891,503.28
  6. Step 6: Final answer
    x = 977,758.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.