Home / 1,602,876.35-2,211,969.31-877,768.40

Finding the Fourth Proportional to 1,602,876.35, 2,211,969.31 and 877,768.40

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Solution

The fourth proportional to 1,602,876.35, 2,211,969.31 and 877,768.40 is: 1,211,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,876.35 : 2,211,969.31 = 877,768.40 : x
  2. Step 2: Convert to fraction form
    1,602,876.35/2,211,969.31 = 877,768.40/x
  3. Step 3: Cross multiply
    1,602,876.35x = 2,211,969.31 × 877,768.40
  4. Step 4: Simplify right side
    1,602,876.35x = 1,941,596,748,833.54
  5. Step 5: Solve for x
    x = 1,941,596,748,833.54/1,602,876.35
  6. Step 6: Final answer
    x = 1,211,320.36

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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.