Home / 1,031,622.53-1,423,611.36-618,392.73

Finding the Fourth Proportional to 1,031,622.53, 1,423,611.36 and 618,392.73

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Solution

The fourth proportional to 1,031,622.53, 1,423,611.36 and 618,392.73 is: 853,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,622.53 : 1,423,611.36 = 618,392.73 : x
  2. Step 2: Convert to fraction form
    1,031,622.53/1,423,611.36 = 618,392.73/x
  3. Step 3: Cross multiply
    1,031,622.53x = 1,423,611.36 × 618,392.73
  4. Step 4: Simplify right side
    1,031,622.53x = 880,350,915,369.41
  5. Step 5: Solve for x
    x = 880,350,915,369.41/1,031,622.53
  6. Step 6: Final answer
    x = 853,365.35

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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.