Home / 837,401.13-1,256,101.70-364,086.50

Finding the Fourth Proportional to 837,401.13, 1,256,101.70 and 364,086.50

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Solution

The fourth proportional to 837,401.13, 1,256,101.70 and 364,086.50 is: 546,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,401.13 : 1,256,101.70 = 364,086.50 : x
  2. Step 2: Convert to fraction form
    837,401.13/1,256,101.70 = 364,086.50/x
  3. Step 3: Cross multiply
    837,401.13x = 1,256,101.70 × 364,086.50
  4. Step 4: Simplify right side
    837,401.13x = 457,329,663,496.11
  5. Step 5: Solve for x
    x = 457,329,663,496.11/837,401.13
  6. Step 6: Final answer
    x = 546,129.74

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Half scale
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Double scale
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Similar ratio
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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.