Home / 1,130,978.14-1,560,749.82-647,703.19

Finding the Fourth Proportional to 1,130,978.14, 1,560,749.82 and 647,703.19

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Solution

The fourth proportional to 1,130,978.14, 1,560,749.82 and 647,703.19 is: 893,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,978.14 : 1,560,749.82 = 647,703.19 : x
  2. Step 2: Convert to fraction form
    1,130,978.14/1,560,749.82 = 647,703.19/x
  3. Step 3: Cross multiply
    1,130,978.14x = 1,560,749.82 × 647,703.19
  4. Step 4: Simplify right side
    1,130,978.14x = 1,010,902,637,205.93
  5. Step 5: Solve for x
    x = 1,010,902,637,205.93/1,130,978.14
  6. Step 6: Final answer
    x = 893,830.39

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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.