Home / 651,725.63-899,331.77-365,190.36

Finding the Fourth Proportional to 651,725.63, 899,331.77 and 365,190.36

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Solution

The fourth proportional to 651,725.63, 899,331.77 and 365,190.36 is: 503,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,725.63 : 899,331.77 = 365,190.36 : x
  2. Step 2: Convert to fraction form
    651,725.63/899,331.77 = 365,190.36/x
  3. Step 3: Cross multiply
    651,725.63x = 899,331.77 × 365,190.36
  4. Step 4: Simplify right side
    651,725.63x = 328,427,292,845.74
  5. Step 5: Solve for x
    x = 328,427,292,845.74/651,725.63
  6. Step 6: Final answer
    x = 503,934.90

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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.