Home / 1,361,128.54-2,041,692.86-508,266.78

Finding the Fourth Proportional to 1,361,128.54, 2,041,692.86 and 508,266.78

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Solution

The fourth proportional to 1,361,128.54, 2,041,692.86 and 508,266.78 is: 762,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,128.54 : 2,041,692.86 = 508,266.78 : x
  2. Step 2: Convert to fraction form
    1,361,128.54/2,041,692.86 = 508,266.78/x
  3. Step 3: Cross multiply
    1,361,128.54x = 2,041,692.86 × 508,266.78
  4. Step 4: Simplify right side
    1,361,128.54x = 1,037,724,655,701.19
  5. Step 5: Solve for x
    x = 1,037,724,655,701.19/1,361,128.54
  6. Step 6: Final answer
    x = 762,400.19

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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.