Home / 1,118,180.38-1,542,683.70-634,465.36

Finding the Fourth Proportional to 1,118,180.38, 1,542,683.70 and 634,465.36

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Solution

The fourth proportional to 1,118,180.38, 1,542,683.70 and 634,465.36 is: 875,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,180.38 : 1,542,683.70 = 634,465.36 : x
  2. Step 2: Convert to fraction form
    1,118,180.38/1,542,683.70 = 634,465.36/x
  3. Step 3: Cross multiply
    1,118,180.38x = 1,542,683.70 × 634,465.36
  4. Step 4: Simplify right side
    1,118,180.38x = 978,779,369,086.63
  5. Step 5: Solve for x
    x = 978,779,369,086.63/1,118,180.38
  6. Step 6: Final answer
    x = 875,332.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.