Home / 404,919.28-607,381.08-265,560.40

Finding the Fourth Proportional to 404,919.28, 607,381.08 and 265,560.40

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Solution

The fourth proportional to 404,919.28, 607,381.08 and 265,560.40 is: 398,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,919.28 : 607,381.08 = 265,560.40 : x
  2. Step 2: Convert to fraction form
    404,919.28/607,381.08 = 265,560.40/x
  3. Step 3: Cross multiply
    404,919.28x = 607,381.08 × 265,560.40
  4. Step 4: Simplify right side
    404,919.28x = 161,296,362,557.23
  5. Step 5: Solve for x
    x = 161,296,362,557.23/404,919.28
  6. Step 6: Final answer
    x = 398,342.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.