Home / 986,110.80-1,477,999.80-512,552.40

Finding the Fourth Proportional to 986,110.80, 1,477,999.80 and 512,552.40

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Solution

The fourth proportional to 986,110.80, 1,477,999.80 and 512,552.40 is: 768,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,110.80 : 1,477,999.80 = 512,552.40 : x
  2. Step 2: Convert to fraction form
    986,110.80/1,477,999.80 = 512,552.40/x
  3. Step 3: Cross multiply
    986,110.80x = 1,477,999.80 × 512,552.40
  4. Step 4: Simplify right side
    986,110.80x = 757,552,344,689.52
  5. Step 5: Solve for x
    x = 757,552,344,689.52/986,110.80
  6. Step 6: Final answer
    x = 768,222.34

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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.