Home / 1,178,551.34-1,626,411.57-713,415.90

Finding the Fourth Proportional to 1,178,551.34, 1,626,411.57 and 713,415.90

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Solution

The fourth proportional to 1,178,551.34, 1,626,411.57 and 713,415.90 is: 984,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,551.34 : 1,626,411.57 = 713,415.90 : x
  2. Step 2: Convert to fraction form
    1,178,551.34/1,626,411.57 = 713,415.90/x
  3. Step 3: Cross multiply
    1,178,551.34x = 1,626,411.57 × 713,415.90
  4. Step 4: Simplify right side
    1,178,551.34x = 1,160,307,873,981.96
  5. Step 5: Solve for x
    x = 1,160,307,873,981.96/1,178,551.34
  6. Step 6: Final answer
    x = 984,520.44

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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.