Home / 862,189.96-1,189,914.95-475,044.30

Finding the Fourth Proportional to 862,189.96, 1,189,914.95 and 475,044.30

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Solution

The fourth proportional to 862,189.96, 1,189,914.95 and 475,044.30 is: 655,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,189.96 : 1,189,914.95 = 475,044.30 : x
  2. Step 2: Convert to fraction form
    862,189.96/1,189,914.95 = 475,044.30/x
  3. Step 3: Cross multiply
    862,189.96x = 1,189,914.95 × 475,044.30
  4. Step 4: Simplify right side
    862,189.96x = 565,262,308,535.59
  5. Step 5: Solve for x
    x = 565,262,308,535.59/862,189.96
  6. Step 6: Final answer
    x = 655,612.26

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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.