Home / 6,288,085.80-9,432,128.70-4,693,762.80

Finding the Fourth Proportional to 6,288,085.80, 9,432,128.70 and 4,693,762.80

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Solution

The fourth proportional to 6,288,085.80, 9,432,128.70 and 4,693,762.80 is: 7,040,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,085.80 : 9,432,128.70 = 4,693,762.80 : x
  2. Step 2: Convert to fraction form
    6,288,085.80/9,432,128.70 = 4,693,762.80/x
  3. Step 3: Cross multiply
    6,288,085.80x = 9,432,128.70 × 4,693,762.80
  4. Step 4: Simplify right side
    6,288,085.80x = 44,272,174,816,872.35
  5. Step 5: Solve for x
    x = 44,272,174,816,872.35/6,288,085.80
  6. Step 6: Final answer
    x = 7,040,644.20

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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.