Home / 526,684.56-790,026.96-289,905.36

Finding the Fourth Proportional to 526,684.56, 790,026.96 and 289,905.36

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Solution

The fourth proportional to 526,684.56, 790,026.96 and 289,905.36 is: 434,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,684.56 : 790,026.96 = 289,905.36 : x
  2. Step 2: Convert to fraction form
    526,684.56/790,026.96 = 289,905.36/x
  3. Step 3: Cross multiply
    526,684.56x = 790,026.96 × 289,905.36
  4. Step 4: Simplify right side
    526,684.56x = 229,033,050,248.51
  5. Step 5: Solve for x
    x = 229,033,050,248.51/526,684.56
  6. Step 6: Final answer
    x = 434,858.11

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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.