Home / 1,436,336.04-2,154,270.72-678,176.04

Finding the Fourth Proportional to 1,436,336.04, 2,154,270.72 and 678,176.04

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Solution

The fourth proportional to 1,436,336.04, 2,154,270.72 and 678,176.04 is: 1,017,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,336.04 : 2,154,270.72 = 678,176.04 : x
  2. Step 2: Convert to fraction form
    1,436,336.04/2,154,270.72 = 678,176.04/x
  3. Step 3: Cross multiply
    1,436,336.04x = 2,154,270.72 × 678,176.04
  4. Step 4: Simplify right side
    1,436,336.04x = 1,460,974,785,977.55
  5. Step 5: Solve for x
    x = 1,460,974,785,977.55/1,436,336.04
  6. Step 6: Final answer
    x = 1,017,153.89

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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.