Home / 415,857.02-573,891-234,533.45

Finding the Fourth Proportional to 415,857.02, 573,891 and 234,533.45

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Solution

The fourth proportional to 415,857.02, 573,891 and 234,533.45 is: 323,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,857.02 : 573,891 = 234,533.45 : x
  2. Step 2: Convert to fraction form
    415,857.02/573,891 = 234,533.45/x
  3. Step 3: Cross multiply
    415,857.02x = 573,891 × 234,533.45
  4. Step 4: Simplify right side
    415,857.02x = 134,596,636,153.95
  5. Step 5: Solve for x
    x = 134,596,636,153.95/415,857.02
  6. Step 6: Final answer
    x = 323,660.85

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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.