Home / 1,776,072.80-2,664,109.20-877,685.60

Finding the Fourth Proportional to 1,776,072.80, 2,664,109.20 and 877,685.60

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Solution

The fourth proportional to 1,776,072.80, 2,664,109.20 and 877,685.60 is: 1,316,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,072.80 : 2,664,109.20 = 877,685.60 : x
  2. Step 2: Convert to fraction form
    1,776,072.80/2,664,109.20 = 877,685.60/x
  3. Step 3: Cross multiply
    1,776,072.80x = 2,664,109.20 × 877,685.60
  4. Step 4: Simplify right side
    1,776,072.80x = 2,338,250,281,667.52
  5. Step 5: Solve for x
    x = 2,338,250,281,667.52/1,776,072.80
  6. Step 6: Final answer
    x = 1,316,528.40

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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.