Home / 1,385,270.60-2,077,905.90-853,829.60

Finding the Fourth Proportional to 1,385,270.60, 2,077,905.90 and 853,829.60

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Solution

The fourth proportional to 1,385,270.60, 2,077,905.90 and 853,829.60 is: 1,280,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,270.60 : 2,077,905.90 = 853,829.60 : x
  2. Step 2: Convert to fraction form
    1,385,270.60/2,077,905.90 = 853,829.60/x
  3. Step 3: Cross multiply
    1,385,270.60x = 2,077,905.90 × 853,829.60
  4. Step 4: Simplify right side
    1,385,270.60x = 1,774,177,563,434.64
  5. Step 5: Solve for x
    x = 1,774,177,563,434.64/1,385,270.60
  6. Step 6: Final answer
    x = 1,280,744.40

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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.