Home / 916,126.57-1,264,256.15-508,228.42

Finding the Fourth Proportional to 916,126.57, 1,264,256.15 and 508,228.42

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Solution

The fourth proportional to 916,126.57, 1,264,256.15 and 508,228.42 is: 701,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,126.57 : 1,264,256.15 = 508,228.42 : x
  2. Step 2: Convert to fraction form
    916,126.57/1,264,256.15 = 508,228.42/x
  3. Step 3: Cross multiply
    916,126.57x = 1,264,256.15 × 508,228.42
  4. Step 4: Simplify right side
    916,126.57x = 642,530,896,727.36
  5. Step 5: Solve for x
    x = 642,530,896,727.36/916,126.57
  6. Step 6: Final answer
    x = 701,356.04

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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.