Home / 1,130,628.51-1,560,513.42-695,419.89

Finding the Fourth Proportional to 1,130,628.51, 1,560,513.42 and 695,419.89

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Solution

The fourth proportional to 1,130,628.51, 1,560,513.42 and 695,419.89 is: 959,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,628.51 : 1,560,513.42 = 695,419.89 : x
  2. Step 2: Convert to fraction form
    1,130,628.51/1,560,513.42 = 695,419.89/x
  3. Step 3: Cross multiply
    1,130,628.51x = 1,560,513.42 × 695,419.89
  4. Step 4: Simplify right side
    1,130,628.51x = 1,085,212,070,879.92
  5. Step 5: Solve for x
    x = 1,085,212,070,879.92/1,130,628.51
  6. Step 6: Final answer
    x = 959,830.80

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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.