Home / 402,112.08-554,893.02-230,033.46

Finding the Fourth Proportional to 402,112.08, 554,893.02 and 230,033.46

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Solution

The fourth proportional to 402,112.08, 554,893.02 and 230,033.46 is: 317,433.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,112.08 : 554,893.02 = 230,033.46 : x
  2. Step 2: Convert to fraction form
    402,112.08/554,893.02 = 230,033.46/x
  3. Step 3: Cross multiply
    402,112.08x = 554,893.02 × 230,033.46
  4. Step 4: Simplify right side
    402,112.08x = 127,643,961,320.45
  5. Step 5: Solve for x
    x = 127,643,961,320.45/402,112.08
  6. Step 6: Final answer
    x = 317,433.79

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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.