Home / 917,516.60-1,377,311.70-543,750.20

Finding the Fourth Proportional to 917,516.60, 1,377,311.70 and 543,750.20

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Solution

The fourth proportional to 917,516.60, 1,377,311.70 and 543,750.20 is: 816,239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,516.60 : 1,377,311.70 = 543,750.20 : x
  2. Step 2: Convert to fraction form
    917,516.60/1,377,311.70 = 543,750.20/x
  3. Step 3: Cross multiply
    917,516.60x = 1,377,311.70 × 543,750.20
  4. Step 4: Simplify right side
    917,516.60x = 748,913,512,337.34
  5. Step 5: Solve for x
    x = 748,913,512,337.34/917,516.60
  6. Step 6: Final answer
    x = 816,239.74

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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.