Home / 871,897.14-1,203,805.20-779,730.45

Finding the Fourth Proportional to 871,897.14, 1,203,805.20 and 779,730.45

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Solution

The fourth proportional to 871,897.14, 1,203,805.20 and 779,730.45 is: 1,076,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,897.14 : 1,203,805.20 = 779,730.45 : x
  2. Step 2: Convert to fraction form
    871,897.14/1,203,805.20 = 779,730.45/x
  3. Step 3: Cross multiply
    871,897.14x = 1,203,805.20 × 779,730.45
  4. Step 4: Simplify right side
    871,897.14x = 938,643,570,308.34
  5. Step 5: Solve for x
    x = 938,643,570,308.34/871,897.14
  6. Step 6: Final answer
    x = 1,076,553.10

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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.