Home / 909,790.50-1,255,105.08-527,595.96

Finding the Fourth Proportional to 909,790.50, 1,255,105.08 and 527,595.96

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Solution

The fourth proportional to 909,790.50, 1,255,105.08 and 527,595.96 is: 727,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,790.50 : 1,255,105.08 = 527,595.96 : x
  2. Step 2: Convert to fraction form
    909,790.50/1,255,105.08 = 527,595.96/x
  3. Step 3: Cross multiply
    909,790.50x = 1,255,105.08 × 527,595.96
  4. Step 4: Simplify right side
    909,790.50x = 662,188,369,583.48
  5. Step 5: Solve for x
    x = 662,188,369,583.48/909,790.50
  6. Step 6: Final answer
    x = 727,847.09

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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.