Home / 1,127,861.36-1,556,547.11-618,662.15

Finding the Fourth Proportional to 1,127,861.36, 1,556,547.11 and 618,662.15

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Solution

The fourth proportional to 1,127,861.36, 1,556,547.11 and 618,662.15 is: 853,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,861.36 : 1,556,547.11 = 618,662.15 : x
  2. Step 2: Convert to fraction form
    1,127,861.36/1,556,547.11 = 618,662.15/x
  3. Step 3: Cross multiply
    1,127,861.36x = 1,556,547.11 × 618,662.15
  4. Step 4: Simplify right side
    1,127,861.36x = 962,976,775,412.81
  5. Step 5: Solve for x
    x = 962,976,775,412.81/1,127,861.36
  6. Step 6: Final answer
    x = 853,807.76

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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.