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Finding the Fourth Proportional to 1,249,899.24, 1,724,860.44 and 676,939.44

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Solution

The fourth proportional to 1,249,899.24, 1,724,860.44 and 676,939.44 is: 934,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,899.24 : 1,724,860.44 = 676,939.44 : x
  2. Step 2: Convert to fraction form
    1,249,899.24/1,724,860.44 = 676,939.44/x
  3. Step 3: Cross multiply
    1,249,899.24x = 1,724,860.44 × 676,939.44
  4. Step 4: Simplify right side
    1,249,899.24x = 1,167,626,060,331.75
  5. Step 5: Solve for x
    x = 1,167,626,060,331.75/1,249,899.24
  6. Step 6: Final answer
    x = 934,176.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.