Home / 1,678,779.60-2,517,877.80-613,273.20

Finding the Fourth Proportional to 1,678,779.60, 2,517,877.80 and 613,273.20

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Solution

The fourth proportional to 1,678,779.60, 2,517,877.80 and 613,273.20 is: 919,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,779.60 : 2,517,877.80 = 613,273.20 : x
  2. Step 2: Convert to fraction form
    1,678,779.60/2,517,877.80 = 613,273.20/x
  3. Step 3: Cross multiply
    1,678,779.60x = 2,517,877.80 × 613,273.20
  4. Step 4: Simplify right side
    1,678,779.60x = 1,544,146,975,614.96
  5. Step 5: Solve for x
    x = 1,544,146,975,614.96/1,678,779.60
  6. Step 6: Final answer
    x = 919,803.28

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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.