Home / 877,038.84-1,315,722.28-277,839.11

Finding the Fourth Proportional to 877,038.84, 1,315,722.28 and 277,839.11

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Solution

The fourth proportional to 877,038.84, 1,315,722.28 and 277,839.11 is: 416,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,038.84 : 1,315,722.28 = 277,839.11 : x
  2. Step 2: Convert to fraction form
    877,038.84/1,315,722.28 = 277,839.11/x
  3. Step 3: Cross multiply
    877,038.84x = 1,315,722.28 × 277,839.11
  4. Step 4: Simplify right side
    877,038.84x = 365,559,099,314.56
  5. Step 5: Solve for x
    x = 365,559,099,314.56/877,038.84
  6. Step 6: Final answer
    x = 416,810.62

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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.