Home / 1,779,605.40-2,670,282.90-832,812.60

Finding the Fourth Proportional to 1,779,605.40, 2,670,282.90 and 832,812.60

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Solution

The fourth proportional to 1,779,605.40, 2,670,282.90 and 832,812.60 is: 1,249,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,605.40 : 2,670,282.90 = 832,812.60 : x
  2. Step 2: Convert to fraction form
    1,779,605.40/2,670,282.90 = 832,812.60/x
  3. Step 3: Cross multiply
    1,779,605.40x = 2,670,282.90 × 832,812.60
  4. Step 4: Simplify right side
    1,779,605.40x = 2,223,845,244,684.54
  5. Step 5: Solve for x
    x = 2,223,845,244,684.54/1,779,605.40
  6. Step 6: Final answer
    x = 1,249,628.29

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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.