Home / 1,365,587.80-2,048,381.70-656,999.80

Finding the Fourth Proportional to 1,365,587.80, 2,048,381.70 and 656,999.80

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Solution

The fourth proportional to 1,365,587.80, 2,048,381.70 and 656,999.80 is: 985,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,587.80 : 2,048,381.70 = 656,999.80 : x
  2. Step 2: Convert to fraction form
    1,365,587.80/2,048,381.70 = 656,999.80/x
  3. Step 3: Cross multiply
    1,365,587.80x = 2,048,381.70 × 656,999.80
  4. Step 4: Simplify right side
    1,365,587.80x = 1,345,786,367,223.66
  5. Step 5: Solve for x
    x = 1,345,786,367,223.66/1,365,587.80
  6. Step 6: Final answer
    x = 985,499.70

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Similar ratio
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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.