Home / 934,877.74-1,401,817.68-485,145.78

Finding the Fourth Proportional to 934,877.74, 1,401,817.68 and 485,145.78

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Solution

The fourth proportional to 934,877.74, 1,401,817.68 and 485,145.78 is: 727,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,877.74 : 1,401,817.68 = 485,145.78 : x
  2. Step 2: Convert to fraction form
    934,877.74/1,401,817.68 = 485,145.78/x
  3. Step 3: Cross multiply
    934,877.74x = 1,401,817.68 × 485,145.78
  4. Step 4: Simplify right side
    934,877.74x = 680,085,931,781.39
  5. Step 5: Solve for x
    x = 680,085,931,781.39/934,877.74
  6. Step 6: Final answer
    x = 727,459.76

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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.