Home / 1,161,029.81-1,602,076.05-644,713.51

Finding the Fourth Proportional to 1,161,029.81, 1,602,076.05 and 644,713.51

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Solution

The fourth proportional to 1,161,029.81, 1,602,076.05 and 644,713.51 is: 889,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,029.81 : 1,602,076.05 = 644,713.51 : x
  2. Step 2: Convert to fraction form
    1,161,029.81/1,602,076.05 = 644,713.51/x
  3. Step 3: Cross multiply
    1,161,029.81x = 1,602,076.05 × 644,713.51
  4. Step 4: Simplify right side
    1,161,029.81x = 1,032,880,071,894.92
  5. Step 5: Solve for x
    x = 1,032,880,071,894.92/1,161,029.81
  6. Step 6: Final answer
    x = 889,624.08

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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.