Home / 743,367.70-1,025,848.65-403,836.22

Finding the Fourth Proportional to 743,367.70, 1,025,848.65 and 403,836.22

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Solution

The fourth proportional to 743,367.70, 1,025,848.65 and 403,836.22 is: 557,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,367.70 : 1,025,848.65 = 403,836.22 : x
  2. Step 2: Convert to fraction form
    743,367.70/1,025,848.65 = 403,836.22/x
  3. Step 3: Cross multiply
    743,367.70x = 1,025,848.65 × 403,836.22
  4. Step 4: Simplify right side
    743,367.70x = 414,274,841,108.10
  5. Step 5: Solve for x
    x = 414,274,841,108.10/743,367.70
  6. Step 6: Final answer
    x = 557,294.65

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1.5x scale

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.