Home / 2,779,933.80-4,169,900.70-785,389.80

Finding the Fourth Proportional to 2,779,933.80, 4,169,900.70 and 785,389.80

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Solution

The fourth proportional to 2,779,933.80, 4,169,900.70 and 785,389.80 is: 1,178,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,933.80 : 4,169,900.70 = 785,389.80 : x
  2. Step 2: Convert to fraction form
    2,779,933.80/4,169,900.70 = 785,389.80/x
  3. Step 3: Cross multiply
    2,779,933.80x = 4,169,900.70 × 785,389.80
  4. Step 4: Simplify right side
    2,779,933.80x = 3,274,997,476,792.86
  5. Step 5: Solve for x
    x = 3,274,997,476,792.86/2,779,933.80
  6. Step 6: Final answer
    x = 1,178,084.70

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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.