Home / 940,403.40-1,298,153.95-634,893.59

Finding the Fourth Proportional to 940,403.40, 1,298,153.95 and 634,893.59

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Solution

The fourth proportional to 940,403.40, 1,298,153.95 and 634,893.59 is: 876,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,403.40 : 1,298,153.95 = 634,893.59 : x
  2. Step 2: Convert to fraction form
    940,403.40/1,298,153.95 = 634,893.59/x
  3. Step 3: Cross multiply
    940,403.40x = 1,298,153.95 × 634,893.59
  4. Step 4: Simplify right side
    940,403.40x = 824,189,629,008.24
  5. Step 5: Solve for x
    x = 824,189,629,008.24/940,403.40
  6. Step 6: Final answer
    x = 876,421.36

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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.