Home / 740,290.64-1,021,582.20-413,606.12

Finding the Fourth Proportional to 740,290.64, 1,021,582.20 and 413,606.12

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Solution

The fourth proportional to 740,290.64, 1,021,582.20 and 413,606.12 is: 570,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,290.64 : 1,021,582.20 = 413,606.12 : x
  2. Step 2: Convert to fraction form
    740,290.64/1,021,582.20 = 413,606.12/x
  3. Step 3: Cross multiply
    740,290.64x = 1,021,582.20 × 413,606.12
  4. Step 4: Simplify right side
    740,290.64x = 422,532,650,003.06
  5. Step 5: Solve for x
    x = 422,532,650,003.06/740,290.64
  6. Step 6: Final answer
    x = 570,765.90

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Double scale
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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.