Home / 1,077,240.18-1,486,877.58-636,101.34

Finding the Fourth Proportional to 1,077,240.18, 1,486,877.58 and 636,101.34

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Solution

The fourth proportional to 1,077,240.18, 1,486,877.58 and 636,101.34 is: 877,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,240.18 : 1,486,877.58 = 636,101.34 : x
  2. Step 2: Convert to fraction form
    1,077,240.18/1,486,877.58 = 636,101.34/x
  3. Step 3: Cross multiply
    1,077,240.18x = 1,486,877.58 × 636,101.34
  4. Step 4: Simplify right side
    1,077,240.18x = 945,804,821,053.96
  5. Step 5: Solve for x
    x = 945,804,821,053.96/1,077,240.18
  6. Step 6: Final answer
    x = 877,988.81

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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.