Home / 1,117,829.10-1,676,614.05-319,233.90

Finding the Fourth Proportional to 1,117,829.10, 1,676,614.05 and 319,233.90

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Solution

The fourth proportional to 1,117,829.10, 1,676,614.05 and 319,233.90 is: 478,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,829.10 : 1,676,614.05 = 319,233.90 : x
  2. Step 2: Convert to fraction form
    1,117,829.10/1,676,614.05 = 319,233.90/x
  3. Step 3: Cross multiply
    1,117,829.10x = 1,676,614.05 × 319,233.90
  4. Step 4: Simplify right side
    1,117,829.10x = 535,232,041,976.30
  5. Step 5: Solve for x
    x = 535,232,041,976.30/1,117,829.10
  6. Step 6: Final answer
    x = 478,813.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.