Home / 916,191.74-1,264,496.36-508,424.56

Finding the Fourth Proportional to 916,191.74, 1,264,496.36 and 508,424.56

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Solution

The fourth proportional to 916,191.74, 1,264,496.36 and 508,424.56 is: 701,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,191.74 : 1,264,496.36 = 508,424.56 : x
  2. Step 2: Convert to fraction form
    916,191.74/1,264,496.36 = 508,424.56/x
  3. Step 3: Cross multiply
    916,191.74x = 1,264,496.36 × 508,424.56
  4. Step 4: Simplify right side
    916,191.74x = 642,901,002,912.48
  5. Step 5: Solve for x
    x = 642,901,002,912.48/916,191.74
  6. Step 6: Final answer
    x = 701,710.11

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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.