Home / 1,411,017.59-1,945,351.37-1,018,220.90

Finding the Fourth Proportional to 1,411,017.59, 1,945,351.37 and 1,018,220.90

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Solution

The fourth proportional to 1,411,017.59, 1,945,351.37 and 1,018,220.90 is: 1,403,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,017.59 : 1,945,351.37 = 1,018,220.90 : x
  2. Step 2: Convert to fraction form
    1,411,017.59/1,945,351.37 = 1,018,220.90/x
  3. Step 3: Cross multiply
    1,411,017.59x = 1,945,351.37 × 1,018,220.90
  4. Step 4: Simplify right side
    1,411,017.59x = 1,980,797,409,868.94
  5. Step 5: Solve for x
    x = 1,980,797,409,868.94/1,411,017.59
  6. Step 6: Final answer
    x = 1,403,807.74

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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.