Home / 1,186,353.06-1,637,330.11-727,386.46

Finding the Fourth Proportional to 1,186,353.06, 1,637,330.11 and 727,386.46

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Solution

The fourth proportional to 1,186,353.06, 1,637,330.11 and 727,386.46 is: 1,003,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,353.06 : 1,637,330.11 = 727,386.46 : x
  2. Step 2: Convert to fraction form
    1,186,353.06/1,637,330.11 = 727,386.46/x
  3. Step 3: Cross multiply
    1,186,353.06x = 1,637,330.11 × 727,386.46
  4. Step 4: Simplify right side
    1,186,353.06x = 1,190,971,752,564.31
  5. Step 5: Solve for x
    x = 1,190,971,752,564.31/1,186,353.06
  6. Step 6: Final answer
    x = 1,003,893.19

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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.