Home / 1,145,898.81-1,718,868.72-347,180.45

Finding the Fourth Proportional to 1,145,898.81, 1,718,868.72 and 347,180.45

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Solution

The fourth proportional to 1,145,898.81, 1,718,868.72 and 347,180.45 is: 520,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,898.81 : 1,718,868.72 = 347,180.45 : x
  2. Step 2: Convert to fraction form
    1,145,898.81/1,718,868.72 = 347,180.45/x
  3. Step 3: Cross multiply
    1,145,898.81x = 1,718,868.72 × 347,180.45
  4. Step 4: Simplify right side
    1,145,898.81x = 596,757,607,106.18
  5. Step 5: Solve for x
    x = 596,757,607,106.18/1,145,898.81
  6. Step 6: Final answer
    x = 520,776.88

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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.