Home / 669,831.27-924,363.23-363,905.21

Finding the Fourth Proportional to 669,831.27, 924,363.23 and 363,905.21

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Solution

The fourth proportional to 669,831.27, 924,363.23 and 363,905.21 is: 502,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,831.27 : 924,363.23 = 363,905.21 : x
  2. Step 2: Convert to fraction form
    669,831.27/924,363.23 = 363,905.21/x
  3. Step 3: Cross multiply
    669,831.27x = 924,363.23 × 363,905.21
  4. Step 4: Simplify right side
    669,831.27x = 336,380,591,617.38
  5. Step 5: Solve for x
    x = 336,380,591,617.38/669,831.27
  6. Step 6: Final answer
    x = 502,187.05

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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.