Home / 936,810.78-1,405,255.02-271,962.78

Finding the Fourth Proportional to 936,810.78, 1,405,255.02 and 271,962.78

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Solution

The fourth proportional to 936,810.78, 1,405,255.02 and 271,962.78 is: 407,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,810.78 : 1,405,255.02 = 271,962.78 : x
  2. Step 2: Convert to fraction form
    936,810.78/1,405,255.02 = 271,962.78/x
  3. Step 3: Cross multiply
    936,810.78x = 1,405,255.02 × 271,962.78
  4. Step 4: Simplify right side
    936,810.78x = 382,177,061,848.16
  5. Step 5: Solve for x
    x = 382,177,061,848.16/936,810.78
  6. Step 6: Final answer
    x = 407,955.45

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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.