Home / 669,936.05-924,517.40-364,012.45

Finding the Fourth Proportional to 669,936.05, 924,517.40 and 364,012.45

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Solution

The fourth proportional to 669,936.05, 924,517.40 and 364,012.45 is: 502,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,936.05 : 924,517.40 = 364,012.45 : x
  2. Step 2: Convert to fraction form
    669,936.05/924,517.40 = 364,012.45/x
  3. Step 3: Cross multiply
    669,936.05x = 924,517.40 × 364,012.45
  4. Step 4: Simplify right side
    669,936.05x = 336,535,839,710.27
  5. Step 5: Solve for x
    x = 336,535,839,710.27/669,936.05
  6. Step 6: Final answer
    x = 502,340.25

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Double scale
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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.