Home / 753,347.51-1,039,627.19-409,190.16

Finding the Fourth Proportional to 753,347.51, 1,039,627.19 and 409,190.16

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Solution

The fourth proportional to 753,347.51, 1,039,627.19 and 409,190.16 is: 564,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,347.51 : 1,039,627.19 = 409,190.16 : x
  2. Step 2: Convert to fraction form
    753,347.51/1,039,627.19 = 409,190.16/x
  3. Step 3: Cross multiply
    753,347.51x = 1,039,627.19 × 409,190.16
  4. Step 4: Simplify right side
    753,347.51x = 425,405,214,170.50
  5. Step 5: Solve for x
    x = 425,405,214,170.50/753,347.51
  6. Step 6: Final answer
    x = 564,686.56

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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.