Home / 948,808.43-1,309,370.39-519,095.73

Finding the Fourth Proportional to 948,808.43, 1,309,370.39 and 519,095.73

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Solution

The fourth proportional to 948,808.43, 1,309,370.39 and 519,095.73 is: 716,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,808.43 : 1,309,370.39 = 519,095.73 : x
  2. Step 2: Convert to fraction form
    948,808.43/1,309,370.39 = 519,095.73/x
  3. Step 3: Cross multiply
    948,808.43x = 1,309,370.39 × 519,095.73
  4. Step 4: Simplify right side
    948,808.43x = 679,688,578,437.44
  5. Step 5: Solve for x
    x = 679,688,578,437.44/948,808.43
  6. Step 6: Final answer
    x = 716,360.18

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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.