Home / 939,799.92-1,296,333.84-557,556

Finding the Fourth Proportional to 939,799.92, 1,296,333.84 and 557,556

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Solution

The fourth proportional to 939,799.92, 1,296,333.84 and 557,556 is: 769,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,799.92 : 1,296,333.84 = 557,556 : x
  2. Step 2: Convert to fraction form
    939,799.92/1,296,333.84 = 557,556/x
  3. Step 3: Cross multiply
    939,799.92x = 1,296,333.84 × 557,556
  4. Step 4: Simplify right side
    939,799.92x = 722,778,710,495.04
  5. Step 5: Solve for x
    x = 722,778,710,495.04/939,799.92
  6. Step 6: Final answer
    x = 769,077.22

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1.5x scale

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.