Home / 1,085,177.79-1,628,105.47-653,368.59

Finding the Fourth Proportional to 1,085,177.79, 1,628,105.47 and 653,368.59

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Solution

The fourth proportional to 1,085,177.79, 1,628,105.47 and 653,368.59 is: 980,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,177.79 : 1,628,105.47 = 653,368.59 : x
  2. Step 2: Convert to fraction form
    1,085,177.79/1,628,105.47 = 653,368.59/x
  3. Step 3: Cross multiply
    1,085,177.79x = 1,628,105.47 × 653,368.59
  4. Step 4: Simplify right side
    1,085,177.79x = 1,063,752,973,671.77
  5. Step 5: Solve for x
    x = 1,063,752,973,671.77/1,085,177.79
  6. Step 6: Final answer
    x = 980,256.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.