Home / 838,241.19-1,156,740.66-475,643.43

Finding the Fourth Proportional to 838,241.19, 1,156,740.66 and 475,643.43

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Solution

The fourth proportional to 838,241.19, 1,156,740.66 and 475,643.43 is: 656,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,241.19 : 1,156,740.66 = 475,643.43 : x
  2. Step 2: Convert to fraction form
    838,241.19/1,156,740.66 = 475,643.43/x
  3. Step 3: Cross multiply
    838,241.19x = 1,156,740.66 × 475,643.43
  4. Step 4: Simplify right side
    838,241.19x = 550,196,095,142.86
  5. Step 5: Solve for x
    x = 550,196,095,142.86/838,241.19
  6. Step 6: Final answer
    x = 656,369.67

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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.