Home / 583,293.10-804,944.31-315,021.10

Finding the Fourth Proportional to 583,293.10, 804,944.31 and 315,021.10

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Solution

The fourth proportional to 583,293.10, 804,944.31 and 315,021.10 is: 434,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,293.10 : 804,944.31 = 315,021.10 : x
  2. Step 2: Convert to fraction form
    583,293.10/804,944.31 = 315,021.10/x
  3. Step 3: Cross multiply
    583,293.10x = 804,944.31 × 315,021.10
  4. Step 4: Simplify right side
    583,293.10x = 253,574,441,974.94
  5. Step 5: Solve for x
    x = 253,574,441,974.94/583,293.10
  6. Step 6: Final answer
    x = 434,729.03

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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.