Home / 909,846.12-1,255,181.64-527,651.40

Finding the Fourth Proportional to 909,846.12, 1,255,181.64 and 527,651.40

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Solution

The fourth proportional to 909,846.12, 1,255,181.64 and 527,651.40 is: 727,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,846.12 : 1,255,181.64 = 527,651.40 : x
  2. Step 2: Convert to fraction form
    909,846.12/1,255,181.64 = 527,651.40/x
  3. Step 3: Cross multiply
    909,846.12x = 1,255,181.64 × 527,651.40
  4. Step 4: Simplify right side
    909,846.12x = 662,298,349,600.30
  5. Step 5: Solve for x
    x = 662,298,349,600.30/909,846.12
  6. Step 6: Final answer
    x = 727,923.48

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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.