Home / 669,629.44-924,095.40-363,708.76

Finding the Fourth Proportional to 669,629.44, 924,095.40 and 363,708.76

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Solution

The fourth proportional to 669,629.44, 924,095.40 and 363,708.76 is: 501,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,629.44 : 924,095.40 = 363,708.76 : x
  2. Step 2: Convert to fraction form
    669,629.44/924,095.40 = 363,708.76/x
  3. Step 3: Cross multiply
    669,629.44x = 924,095.40 × 363,708.76
  4. Step 4: Simplify right side
    669,629.44x = 336,101,592,055.70
  5. Step 5: Solve for x
    x = 336,101,592,055.70/669,629.44
  6. Step 6: Final answer
    x = 501,921.77

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Double scale
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Similar ratio
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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.