Home / 1,317,742.42-1,817,126.85-1,127,385.94

Finding the Fourth Proportional to 1,317,742.42, 1,817,126.85 and 1,127,385.94

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Solution

The fourth proportional to 1,317,742.42, 1,817,126.85 and 1,127,385.94 is: 1,554,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,742.42 : 1,817,126.85 = 1,127,385.94 : x
  2. Step 2: Convert to fraction form
    1,317,742.42/1,817,126.85 = 1,127,385.94/x
  3. Step 3: Cross multiply
    1,317,742.42x = 1,817,126.85 × 1,127,385.94
  4. Step 4: Simplify right side
    1,317,742.42x = 2,048,603,261,886.49
  5. Step 5: Solve for x
    x = 2,048,603,261,886.49/1,317,742.42
  6. Step 6: Final answer
    x = 1,554,631.03

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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.