Home / 1,776,066.01-2,663,437.65-638,517.80

Finding the Fourth Proportional to 1,776,066.01, 2,663,437.65 and 638,517.80

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Solution

The fourth proportional to 1,776,066.01, 2,663,437.65 and 638,517.80 is: 957,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,066.01 : 2,663,437.65 = 638,517.80 : x
  2. Step 2: Convert to fraction form
    1,776,066.01/2,663,437.65 = 638,517.80/x
  3. Step 3: Cross multiply
    1,776,066.01x = 2,663,437.65 × 638,517.80
  4. Step 4: Simplify right side
    1,776,066.01x = 1,700,652,352,979.32
  5. Step 5: Solve for x
    x = 1,700,652,352,979.32/1,776,066.01
  6. Step 6: Final answer
    x = 957,538.93

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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.