Home / 918,914.46-1,267,916.04-536,867.52

Finding the Fourth Proportional to 918,914.46, 1,267,916.04 and 536,867.52

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Solution

The fourth proportional to 918,914.46, 1,267,916.04 and 536,867.52 is: 740,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,914.46 : 1,267,916.04 = 536,867.52 : x
  2. Step 2: Convert to fraction form
    918,914.46/1,267,916.04 = 536,867.52/x
  3. Step 3: Cross multiply
    918,914.46x = 1,267,916.04 × 536,867.52
  4. Step 4: Simplify right side
    918,914.46x = 680,702,939,963.02
  5. Step 5: Solve for x
    x = 680,702,939,963.02/918,914.46
  6. Step 6: Final answer
    x = 740,768.56

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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.