Home / 916,049.66-1,264,300.09-508,282.90

Finding the Fourth Proportional to 916,049.66, 1,264,300.09 and 508,282.90

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Solution

The fourth proportional to 916,049.66, 1,264,300.09 and 508,282.90 is: 701,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,049.66 : 1,264,300.09 = 508,282.90 : x
  2. Step 2: Convert to fraction form
    916,049.66/1,264,300.09 = 508,282.90/x
  3. Step 3: Cross multiply
    916,049.66x = 1,264,300.09 × 508,282.90
  4. Step 4: Simplify right side
    916,049.66x = 642,622,111,784.00
  5. Step 5: Solve for x
    x = 642,622,111,784.00/916,049.66
  6. Step 6: Final answer
    x = 701,514.50

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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.