Home / 1,129,724.16-1,559,017.48-620,426.52

Finding the Fourth Proportional to 1,129,724.16, 1,559,017.48 and 620,426.52

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Solution

The fourth proportional to 1,129,724.16, 1,559,017.48 and 620,426.52 is: 856,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,724.16 : 1,559,017.48 = 620,426.52 : x
  2. Step 2: Convert to fraction form
    1,129,724.16/1,559,017.48 = 620,426.52/x
  3. Step 3: Cross multiply
    1,129,724.16x = 1,559,017.48 × 620,426.52
  4. Step 4: Simplify right side
    1,129,724.16x = 967,255,789,735.57
  5. Step 5: Solve for x
    x = 967,255,789,735.57/1,129,724.16
  6. Step 6: Final answer
    x = 856,187.58

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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.