Home / 1,178,016.19-1,625,619.10-719,897.40

Finding the Fourth Proportional to 1,178,016.19, 1,625,619.10 and 719,897.40

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Solution

The fourth proportional to 1,178,016.19, 1,625,619.10 and 719,897.40 is: 993,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,016.19 : 1,625,619.10 = 719,897.40 : x
  2. Step 2: Convert to fraction form
    1,178,016.19/1,625,619.10 = 719,897.40/x
  3. Step 3: Cross multiply
    1,178,016.19x = 1,625,619.10 × 719,897.40
  4. Step 4: Simplify right side
    1,178,016.19x = 1,170,278,963,480.34
  5. Step 5: Solve for x
    x = 1,170,278,963,480.34/1,178,016.19
  6. Step 6: Final answer
    x = 993,431.99

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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.