Home / 934,719.98-1,288,402.44-730,415.90

Finding the Fourth Proportional to 934,719.98, 1,288,402.44 and 730,415.90

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Solution

The fourth proportional to 934,719.98, 1,288,402.44 and 730,415.90 is: 1,006,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,719.98 : 1,288,402.44 = 730,415.90 : x
  2. Step 2: Convert to fraction form
    934,719.98/1,288,402.44 = 730,415.90/x
  3. Step 3: Cross multiply
    934,719.98x = 1,288,402.44 × 730,415.90
  4. Step 4: Simplify right side
    934,719.98x = 941,069,621,332.78
  5. Step 5: Solve for x
    x = 941,069,621,332.78/934,719.98
  6. Step 6: Final answer
    x = 1,006,793.10

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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.