Home / 916,393.32-1,264,562.01-508,469.30

Finding the Fourth Proportional to 916,393.32, 1,264,562.01 and 508,469.30

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Solution

The fourth proportional to 916,393.32, 1,264,562.01 and 508,469.30 is: 701,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,393.32 : 1,264,562.01 = 508,469.30 : x
  2. Step 2: Convert to fraction form
    916,393.32/1,264,562.01 = 508,469.30/x
  3. Step 3: Cross multiply
    916,393.32x = 1,264,562.01 × 508,469.30
  4. Step 4: Simplify right side
    916,393.32x = 642,990,960,595.67
  5. Step 5: Solve for x
    x = 642,990,960,595.67/916,393.32
  6. Step 6: Final answer
    x = 701,653.91

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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.