Home / 1,127,864.86-1,556,551.96-618,665.66

Finding the Fourth Proportional to 1,127,864.86, 1,556,551.96 and 618,665.66

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Solution

The fourth proportional to 1,127,864.86, 1,556,551.96 and 618,665.66 is: 853,812.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,864.86 : 1,556,551.96 = 618,665.66 : x
  2. Step 2: Convert to fraction form
    1,127,864.86/1,556,551.96 = 618,665.66/x
  3. Step 3: Cross multiply
    1,127,864.86x = 1,556,551.96 × 618,665.66
  4. Step 4: Simplify right side
    1,127,864.86x = 962,985,245,657.69
  5. Step 5: Solve for x
    x = 962,985,245,657.69/1,127,864.86
  6. Step 6: Final answer
    x = 853,812.62

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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.