Home / 1,127,955.96-1,556,603.52-618,657.12

Finding the Fourth Proportional to 1,127,955.96, 1,556,603.52 and 618,657.12

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Solution

The fourth proportional to 1,127,955.96, 1,556,603.52 and 618,657.12 is: 853,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,955.96 : 1,556,603.52 = 618,657.12 : x
  2. Step 2: Convert to fraction form
    1,127,955.96/1,556,603.52 = 618,657.12/x
  3. Step 3: Cross multiply
    1,127,955.96x = 1,556,603.52 × 618,657.12
  4. Step 4: Simplify right side
    1,127,955.96x = 963,003,850,665.06
  5. Step 5: Solve for x
    x = 963,003,850,665.06/1,127,955.96
  6. Step 6: Final answer
    x = 853,760.15

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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.