Home / 936,810.72-1,405,254.96-271,962.72

Finding the Fourth Proportional to 936,810.72, 1,405,254.96 and 271,962.72

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Solution

The fourth proportional to 936,810.72, 1,405,254.96 and 271,962.72 is: 407,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,810.72 : 1,405,254.96 = 271,962.72 : x
  2. Step 2: Convert to fraction form
    936,810.72/1,405,254.96 = 271,962.72/x
  3. Step 3: Cross multiply
    936,810.72x = 1,405,254.96 × 271,962.72
  4. Step 4: Simplify right side
    936,810.72x = 382,176,961,215.09
  5. Step 5: Solve for x
    x = 382,176,961,215.09/936,810.72
  6. Step 6: Final answer
    x = 407,955.37

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1.5x scale

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.