Home / 651,594.51-899,199.23-396,945.70

Finding the Fourth Proportional to 651,594.51, 899,199.23 and 396,945.70

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Solution

The fourth proportional to 651,594.51, 899,199.23 and 396,945.70 is: 547,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,594.51 : 899,199.23 = 396,945.70 : x
  2. Step 2: Convert to fraction form
    651,594.51/899,199.23 = 396,945.70/x
  3. Step 3: Cross multiply
    651,594.51x = 899,199.23 × 396,945.70
  4. Step 4: Simplify right side
    651,594.51x = 356,933,263,559.08
  5. Step 5: Solve for x
    x = 356,933,263,559.08/651,594.51
  6. Step 6: Final answer
    x = 547,784.33

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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.