Home / 1,118,960.19-1,678,438.76-519,593.60

Finding the Fourth Proportional to 1,118,960.19, 1,678,438.76 and 519,593.60

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Solution

The fourth proportional to 1,118,960.19, 1,678,438.76 and 519,593.60 is: 779,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,960.19 : 1,678,438.76 = 519,593.60 : x
  2. Step 2: Convert to fraction form
    1,118,960.19/1,678,438.76 = 519,593.60/x
  3. Step 3: Cross multiply
    1,118,960.19x = 1,678,438.76 × 519,593.60
  4. Step 4: Simplify right side
    1,118,960.19x = 872,106,037,687.94
  5. Step 5: Solve for x
    x = 872,106,037,687.94/1,118,960.19
  6. Step 6: Final answer
    x = 779,389.69

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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.