Home / 1,128,095.75-1,556,772.14-618,799.34

Finding the Fourth Proportional to 1,128,095.75, 1,556,772.14 and 618,799.34

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Solution

The fourth proportional to 1,128,095.75, 1,556,772.14 and 618,799.34 is: 853,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,095.75 : 1,556,772.14 = 618,799.34 : x
  2. Step 2: Convert to fraction form
    1,128,095.75/1,556,772.14 = 618,799.34/x
  3. Step 3: Cross multiply
    1,128,095.75x = 1,556,772.14 × 618,799.34
  4. Step 4: Simplify right side
    1,128,095.75x = 963,329,569,668.39
  5. Step 5: Solve for x
    x = 963,329,569,668.39/1,128,095.75
  6. Step 6: Final answer
    x = 853,943.09

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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.