Home / 434,570.10-651,077.55-355,254.90

Finding the Fourth Proportional to 434,570.10, 651,077.55 and 355,254.90

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Solution

The fourth proportional to 434,570.10, 651,077.55 and 355,254.90 is: 532,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,570.10 : 651,077.55 = 355,254.90 : x
  2. Step 2: Convert to fraction form
    434,570.10/651,077.55 = 355,254.90/x
  3. Step 3: Cross multiply
    434,570.10x = 651,077.55 × 355,254.90
  4. Step 4: Simplify right side
    434,570.10x = 231,298,489,917.50
  5. Step 5: Solve for x
    x = 231,298,489,917.50/434,570.10
  6. Step 6: Final answer
    x = 532,246.67

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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.