Home / 1,205,058.84-1,663,011.80-661,194.48

Finding the Fourth Proportional to 1,205,058.84, 1,663,011.80 and 661,194.48

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Solution

The fourth proportional to 1,205,058.84, 1,663,011.80 and 661,194.48 is: 912,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,058.84 : 1,663,011.80 = 661,194.48 : x
  2. Step 2: Convert to fraction form
    1,205,058.84/1,663,011.80 = 661,194.48/x
  3. Step 3: Cross multiply
    1,205,058.84x = 1,663,011.80 × 661,194.48
  4. Step 4: Simplify right side
    1,205,058.84x = 1,099,574,222,334.86
  5. Step 5: Solve for x
    x = 1,099,574,222,334.86/1,205,058.84
  6. Step 6: Final answer
    x = 912,465.17

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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.