Home / 939,804.60-1,296,916.98-510,073.68

Finding the Fourth Proportional to 939,804.60, 1,296,916.98 and 510,073.68

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Solution

The fourth proportional to 939,804.60, 1,296,916.98 and 510,073.68 is: 703,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,804.60 : 1,296,916.98 = 510,073.68 : x
  2. Step 2: Convert to fraction form
    939,804.60/1,296,916.98 = 510,073.68/x
  3. Step 3: Cross multiply
    939,804.60x = 1,296,916.98 × 510,073.68
  4. Step 4: Simplify right side
    939,804.60x = 661,523,216,643.09
  5. Step 5: Solve for x
    x = 661,523,216,643.09/939,804.60
  6. Step 6: Final answer
    x = 703,894.42

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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.