Home / 1,161,692.80-1,742,590.40-656,246.40

Finding the Fourth Proportional to 1,161,692.80, 1,742,590.40 and 656,246.40

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Solution

The fourth proportional to 1,161,692.80, 1,742,590.40 and 656,246.40 is: 984,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,692.80 : 1,742,590.40 = 656,246.40 : x
  2. Step 2: Convert to fraction form
    1,161,692.80/1,742,590.40 = 656,246.40/x
  3. Step 3: Cross multiply
    1,161,692.80x = 1,742,590.40 × 656,246.40
  4. Step 4: Simplify right side
    1,161,692.80x = 1,143,568,676,674.56
  5. Step 5: Solve for x
    x = 1,143,568,676,674.56/1,161,692.80
  6. Step 6: Final answer
    x = 984,398.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.