Home / 753,504.37-1,039,831.87-409,337.54

Finding the Fourth Proportional to 753,504.37, 1,039,831.87 and 409,337.54

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Solution

The fourth proportional to 753,504.37, 1,039,831.87 and 409,337.54 is: 564,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,504.37 : 1,039,831.87 = 409,337.54 : x
  2. Step 2: Convert to fraction form
    753,504.37/1,039,831.87 = 409,337.54/x
  3. Step 3: Cross multiply
    753,504.37x = 1,039,831.87 × 409,337.54
  4. Step 4: Simplify right side
    753,504.37x = 425,642,225,256.38
  5. Step 5: Solve for x
    x = 425,642,225,256.38/753,504.37
  6. Step 6: Final answer
    x = 564,883.55

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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.