Home / 435,928.19-601,827.55-283,103.06

Finding the Fourth Proportional to 435,928.19, 601,827.55 and 283,103.06

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Solution

The fourth proportional to 435,928.19, 601,827.55 and 283,103.06 is: 390,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,928.19 : 601,827.55 = 283,103.06 : x
  2. Step 2: Convert to fraction form
    435,928.19/601,827.55 = 283,103.06/x
  3. Step 3: Cross multiply
    435,928.19x = 601,827.55 × 283,103.06
  4. Step 4: Simplify right side
    435,928.19x = 170,379,220,997.30
  5. Step 5: Solve for x
    x = 170,379,220,997.30/435,928.19
  6. Step 6: Final answer
    x = 390,842.40

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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.