Home / 1,127,688.92-1,556,232.06-618,360.92

Finding the Fourth Proportional to 1,127,688.92, 1,556,232.06 and 618,360.92

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Solution

The fourth proportional to 1,127,688.92, 1,556,232.06 and 618,360.92 is: 853,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,688.92 : 1,556,232.06 = 618,360.92 : x
  2. Step 2: Convert to fraction form
    1,127,688.92/1,556,232.06 = 618,360.92/x
  3. Step 3: Cross multiply
    1,127,688.92x = 1,556,232.06 × 618,360.92
  4. Step 4: Simplify right side
    1,127,688.92x = 962,313,088,355.10
  5. Step 5: Solve for x
    x = 962,313,088,355.10/1,127,688.92
  6. Step 6: Final answer
    x = 853,349.78

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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.