Home / 916,182.73-1,264,339.80-508,311.32

Finding the Fourth Proportional to 916,182.73, 1,264,339.80 and 508,311.32

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Solution

The fourth proportional to 916,182.73, 1,264,339.80 and 508,311.32 is: 701,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,182.73 : 1,264,339.80 = 508,311.32 : x
  2. Step 2: Convert to fraction form
    916,182.73/1,264,339.80 = 508,311.32/x
  3. Step 3: Cross multiply
    916,182.73x = 1,264,339.80 × 508,311.32
  4. Step 4: Simplify right side
    916,182.73x = 642,678,230,124.98
  5. Step 5: Solve for x
    x = 642,678,230,124.98/916,182.73
  6. Step 6: Final answer
    x = 701,473.86

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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.