Home / 942,168.36-1,412,717.18-643,011.36

Finding the Fourth Proportional to 942,168.36, 1,412,717.18 and 643,011.36

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Solution

The fourth proportional to 942,168.36, 1,412,717.18 and 643,011.36 is: 964,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,168.36 : 1,412,717.18 = 643,011.36 : x
  2. Step 2: Convert to fraction form
    942,168.36/1,412,717.18 = 643,011.36/x
  3. Step 3: Cross multiply
    942,168.36x = 1,412,717.18 × 643,011.36
  4. Step 4: Simplify right side
    942,168.36x = 908,393,191,992.11
  5. Step 5: Solve for x
    x = 908,393,191,992.11/942,168.36
  6. Step 6: Final answer
    x = 964,151.66

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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.