Home / 940,417.16-1,298,172.96-634,907.39

Finding the Fourth Proportional to 940,417.16, 1,298,172.96 and 634,907.39

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Solution

The fourth proportional to 940,417.16, 1,298,172.96 and 634,907.39 is: 876,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,417.16 : 1,298,172.96 = 634,907.39 : x
  2. Step 2: Convert to fraction form
    940,417.16/1,298,172.96 = 634,907.39/x
  3. Step 3: Cross multiply
    940,417.16x = 1,298,172.96 × 634,907.39
  4. Step 4: Simplify right side
    940,417.16x = 824,219,599,311.31
  5. Step 5: Solve for x
    x = 824,219,599,311.31/940,417.16
  6. Step 6: Final answer
    x = 876,440.41

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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.