Home / 1,206,156.16-1,808,957.85-719,975.53

Finding the Fourth Proportional to 1,206,156.16, 1,808,957.85 and 719,975.53

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Solution

The fourth proportional to 1,206,156.16, 1,808,957.85 and 719,975.53 is: 1,079,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,156.16 : 1,808,957.85 = 719,975.53 : x
  2. Step 2: Convert to fraction form
    1,206,156.16/1,808,957.85 = 719,975.53/x
  3. Step 3: Cross multiply
    1,206,156.16x = 1,808,957.85 × 719,975.53
  4. Step 4: Simplify right side
    1,206,156.16x = 1,302,405,386,801.41
  5. Step 5: Solve for x
    x = 1,302,405,386,801.41/1,206,156.16
  6. Step 6: Final answer
    x = 1,079,798.31

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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.