Home / 669,322.17-923,664.51-367,516.17

Finding the Fourth Proportional to 669,322.17, 923,664.51 and 367,516.17

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Solution

The fourth proportional to 669,322.17, 923,664.51 and 367,516.17 is: 507,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,322.17 : 923,664.51 = 367,516.17 : x
  2. Step 2: Convert to fraction form
    669,322.17/923,664.51 = 367,516.17/x
  3. Step 3: Cross multiply
    669,322.17x = 923,664.51 × 367,516.17
  4. Step 4: Simplify right side
    669,322.17x = 339,461,643,080.13
  5. Step 5: Solve for x
    x = 339,461,643,080.13/669,322.17
  6. Step 6: Final answer
    x = 507,172.27

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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.