Home / 916,194.15-1,264,499.69-508,426.97

Finding the Fourth Proportional to 916,194.15, 1,264,499.69 and 508,426.97

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Solution

The fourth proportional to 916,194.15, 1,264,499.69 and 508,426.97 is: 701,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,194.15 : 1,264,499.69 = 508,426.97 : x
  2. Step 2: Convert to fraction form
    916,194.15/1,264,499.69 = 508,426.97/x
  3. Step 3: Cross multiply
    916,194.15x = 1,264,499.69 × 508,426.97
  4. Step 4: Simplify right side
    916,194.15x = 642,905,737,088.01
  5. Step 5: Solve for x
    x = 642,905,737,088.01/916,194.15
  6. Step 6: Final answer
    x = 701,713.43

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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.