Home / 1,262,692.95-1,742,084.06-718,692.63

Finding the Fourth Proportional to 1,262,692.95, 1,742,084.06 and 718,692.63

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Solution

The fourth proportional to 1,262,692.95, 1,742,084.06 and 718,692.63 is: 991,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,692.95 : 1,742,084.06 = 718,692.63 : x
  2. Step 2: Convert to fraction form
    1,262,692.95/1,742,084.06 = 718,692.63/x
  3. Step 3: Cross multiply
    1,262,692.95x = 1,742,084.06 × 718,692.63
  4. Step 4: Simplify right side
    1,262,692.95x = 1,252,022,971,169.01
  5. Step 5: Solve for x
    x = 1,252,022,971,169.01/1,262,692.95
  6. Step 6: Final answer
    x = 991,549.82

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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.