Home / 942,169.40-1,412,816.70-409,416.20

Finding the Fourth Proportional to 942,169.40, 1,412,816.70 and 409,416.20

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Solution

The fourth proportional to 942,169.40, 1,412,816.70 and 409,416.20 is: 613,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,169.40 : 1,412,816.70 = 409,416.20 : x
  2. Step 2: Convert to fraction form
    942,169.40/1,412,816.70 = 409,416.20/x
  3. Step 3: Cross multiply
    942,169.40x = 1,412,816.70 × 409,416.20
  4. Step 4: Simplify right side
    942,169.40x = 578,430,044,610.54
  5. Step 5: Solve for x
    x = 578,430,044,610.54/942,169.40
  6. Step 6: Final answer
    x = 613,934.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.