Home / 440,947.63-608,490.10-259,667.20

Finding the Fourth Proportional to 440,947.63, 608,490.10 and 259,667.20

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Solution

The fourth proportional to 440,947.63, 608,490.10 and 259,667.20 is: 358,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,947.63 : 608,490.10 = 259,667.20 : x
  2. Step 2: Convert to fraction form
    440,947.63/608,490.10 = 259,667.20/x
  3. Step 3: Cross multiply
    440,947.63x = 608,490.10 × 259,667.20
  4. Step 4: Simplify right side
    440,947.63x = 158,004,920,494.72
  5. Step 5: Solve for x
    x = 158,004,920,494.72/440,947.63
  6. Step 6: Final answer
    x = 358,330.35

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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.