Home / 1,256,810.40-1,885,215.60-976,528.80

Finding the Fourth Proportional to 1,256,810.40, 1,885,215.60 and 976,528.80

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Solution

The fourth proportional to 1,256,810.40, 1,885,215.60 and 976,528.80 is: 1,464,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,810.40 : 1,885,215.60 = 976,528.80 : x
  2. Step 2: Convert to fraction form
    1,256,810.40/1,885,215.60 = 976,528.80/x
  3. Step 3: Cross multiply
    1,256,810.40x = 1,885,215.60 × 976,528.80
  4. Step 4: Simplify right side
    1,256,810.40x = 1,840,967,327,609.28
  5. Step 5: Solve for x
    x = 1,840,967,327,609.28/1,256,810.40
  6. Step 6: Final answer
    x = 1,464,793.20

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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.