Home / 786,312.43-1,177,467.54-519,673.39

Finding the Fourth Proportional to 786,312.43, 1,177,467.54 and 519,673.39

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Solution

The fourth proportional to 786,312.43, 1,177,467.54 and 519,673.39 is: 778,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,312.43 : 1,177,467.54 = 519,673.39 : x
  2. Step 2: Convert to fraction form
    786,312.43/1,177,467.54 = 519,673.39/x
  3. Step 3: Cross multiply
    786,312.43x = 1,177,467.54 × 519,673.39
  4. Step 4: Simplify right side
    786,312.43x = 611,898,543,234.32
  5. Step 5: Solve for x
    x = 611,898,543,234.32/786,312.43
  6. Step 6: Final answer
    x = 778,187.55

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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.