Home / 909,091.85-1,254,268.74-527,042.39

Finding the Fourth Proportional to 909,091.85, 1,254,268.74 and 527,042.39

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Solution

The fourth proportional to 909,091.85, 1,254,268.74 and 527,042.39 is: 727,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,091.85 : 1,254,268.74 = 527,042.39 : x
  2. Step 2: Convert to fraction form
    909,091.85/1,254,268.74 = 527,042.39/x
  3. Step 3: Cross multiply
    909,091.85x = 1,254,268.74 × 527,042.39
  4. Step 4: Simplify right side
    909,091.85x = 661,052,788,160.55
  5. Step 5: Solve for x
    x = 661,052,788,160.55/909,091.85
  6. Step 6: Final answer
    x = 727,157.32

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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.