Home / 1,118,963.50-1,678,443.73-519,596.91

Finding the Fourth Proportional to 1,118,963.50, 1,678,443.73 and 519,596.91

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Solution

The fourth proportional to 1,118,963.50, 1,678,443.73 and 519,596.91 is: 779,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,963.50 : 1,678,443.73 = 519,596.91 : x
  2. Step 2: Convert to fraction form
    1,118,963.50/1,678,443.73 = 519,596.91/x
  3. Step 3: Cross multiply
    1,118,963.50x = 1,678,443.73 × 519,596.91
  4. Step 4: Simplify right side
    1,118,963.50x = 872,114,174,417.88
  5. Step 5: Solve for x
    x = 872,114,174,417.88/1,118,963.50
  6. Step 6: Final answer
    x = 779,394.66

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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.