Home / 957,607.80-1,436,411.70-485,215.80

Finding the Fourth Proportional to 957,607.80, 1,436,411.70 and 485,215.80

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Solution

The fourth proportional to 957,607.80, 1,436,411.70 and 485,215.80 is: 727,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,607.80 : 1,436,411.70 = 485,215.80 : x
  2. Step 2: Convert to fraction form
    957,607.80/1,436,411.70 = 485,215.80/x
  3. Step 3: Cross multiply
    957,607.80x = 1,436,411.70 × 485,215.80
  4. Step 4: Simplify right side
    957,607.80x = 696,969,652,144.86
  5. Step 5: Solve for x
    x = 696,969,652,144.86/957,607.80
  6. Step 6: Final answer
    x = 727,823.70

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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.