Home / 731,572.86-1,009,563.11-404,886.51

Finding the Fourth Proportional to 731,572.86, 1,009,563.11 and 404,886.51

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Solution

The fourth proportional to 731,572.86, 1,009,563.11 and 404,886.51 is: 558,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,572.86 : 1,009,563.11 = 404,886.51 : x
  2. Step 2: Convert to fraction form
    731,572.86/1,009,563.11 = 404,886.51/x
  3. Step 3: Cross multiply
    731,572.86x = 1,009,563.11 × 404,886.51
  4. Step 4: Simplify right side
    731,572.86x = 408,758,482,208.21
  5. Step 5: Solve for x
    x = 408,758,482,208.21/731,572.86
  6. Step 6: Final answer
    x = 558,739.27

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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.