Home / 531,830.14-733,924.33-290,112.74

Finding the Fourth Proportional to 531,830.14, 733,924.33 and 290,112.74

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Solution

The fourth proportional to 531,830.14, 733,924.33 and 290,112.74 is: 400,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,830.14 : 733,924.33 = 290,112.74 : x
  2. Step 2: Convert to fraction form
    531,830.14/733,924.33 = 290,112.74/x
  3. Step 3: Cross multiply
    531,830.14x = 733,924.33 × 290,112.74
  4. Step 4: Simplify right side
    531,830.14x = 212,920,796,686.28
  5. Step 5: Solve for x
    x = 212,920,796,686.28/531,830.14
  6. Step 6: Final answer
    x = 400,354.89

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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.