Home / 1,185,692.33-1,636,259.39-641,827.95

Finding the Fourth Proportional to 1,185,692.33, 1,636,259.39 and 641,827.95

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Solution

The fourth proportional to 1,185,692.33, 1,636,259.39 and 641,827.95 is: 885,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,692.33 : 1,636,259.39 = 641,827.95 : x
  2. Step 2: Convert to fraction form
    1,185,692.33/1,636,259.39 = 641,827.95/x
  3. Step 3: Cross multiply
    1,185,692.33x = 1,636,259.39 × 641,827.95
  4. Step 4: Simplify right side
    1,185,692.33x = 1,050,197,006,742.81
  5. Step 5: Solve for x
    x = 1,050,197,006,742.81/1,185,692.33
  6. Step 6: Final answer
    x = 885,724.72

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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.