Home / 942,816.08-1,301,089.56-513,101.36

Finding the Fourth Proportional to 942,816.08, 1,301,089.56 and 513,101.36

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Solution

The fourth proportional to 942,816.08, 1,301,089.56 and 513,101.36 is: 708,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,816.08 : 1,301,089.56 = 513,101.36 : x
  2. Step 2: Convert to fraction form
    942,816.08/1,301,089.56 = 513,101.36/x
  3. Step 3: Cross multiply
    942,816.08x = 1,301,089.56 × 513,101.36
  4. Step 4: Simplify right side
    942,816.08x = 667,590,822,717.80
  5. Step 5: Solve for x
    x = 667,590,822,717.80/942,816.08
  6. Step 6: Final answer
    x = 708,081.71

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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.