Home / 1,173,045.80-1,618,822.02-636,501.80

Finding the Fourth Proportional to 1,173,045.80, 1,618,822.02 and 636,501.80

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Solution

The fourth proportional to 1,173,045.80, 1,618,822.02 and 636,501.80 is: 878,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,045.80 : 1,618,822.02 = 636,501.80 : x
  2. Step 2: Convert to fraction form
    1,173,045.80/1,618,822.02 = 636,501.80/x
  3. Step 3: Cross multiply
    1,173,045.80x = 1,618,822.02 × 636,501.80
  4. Step 4: Simplify right side
    1,173,045.80x = 1,030,383,129,609.64
  5. Step 5: Solve for x
    x = 1,030,383,129,609.64/1,173,045.80
  6. Step 6: Final answer
    x = 878,382.69

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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.