Home / 948,571.12-1,309,038.44-518,841.80

Finding the Fourth Proportional to 948,571.12, 1,309,038.44 and 518,841.80

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Solution

The fourth proportional to 948,571.12, 1,309,038.44 and 518,841.80 is: 716,007.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,571.12 : 1,309,038.44 = 518,841.80 : x
  2. Step 2: Convert to fraction form
    948,571.12/1,309,038.44 = 518,841.80/x
  3. Step 3: Cross multiply
    948,571.12x = 1,309,038.44 × 518,841.80
  4. Step 4: Simplify right side
    948,571.12x = 679,183,860,478.79
  5. Step 5: Solve for x
    x = 679,183,860,478.79/948,571.12
  6. Step 6: Final answer
    x = 716,007.31

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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.