Home / 1,186,220.51-1,637,101.40-676,999.07

Finding the Fourth Proportional to 1,186,220.51, 1,637,101.40 and 676,999.07

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Solution

The fourth proportional to 1,186,220.51, 1,637,101.40 and 676,999.07 is: 934,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,220.51 : 1,637,101.40 = 676,999.07 : x
  2. Step 2: Convert to fraction form
    1,186,220.51/1,637,101.40 = 676,999.07/x
  3. Step 3: Cross multiply
    1,186,220.51x = 1,637,101.40 × 676,999.07
  4. Step 4: Simplify right side
    1,186,220.51x = 1,108,316,125,295.70
  5. Step 5: Solve for x
    x = 1,108,316,125,295.70/1,186,220.51
  6. Step 6: Final answer
    x = 934,325.55

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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.