Home / 1,205,228.44-1,663,210.68-661,373.32

Finding the Fourth Proportional to 1,205,228.44, 1,663,210.68 and 661,373.32

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Solution

The fourth proportional to 1,205,228.44, 1,663,210.68 and 661,373.32 is: 912,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,228.44 : 1,663,210.68 = 661,373.32 : x
  2. Step 2: Convert to fraction form
    1,205,228.44/1,663,210.68 = 661,373.32/x
  3. Step 3: Cross multiply
    1,205,228.44x = 1,663,210.68 × 661,373.32
  4. Step 4: Simplify right side
    1,205,228.44x = 1,100,003,169,291.06
  5. Step 5: Solve for x
    x = 1,100,003,169,291.06/1,205,228.44
  6. Step 6: Final answer
    x = 912,692.68

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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.