Home / 450,953.06-622,417.64-281,154.38

Finding the Fourth Proportional to 450,953.06, 622,417.64 and 281,154.38

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Solution

The fourth proportional to 450,953.06, 622,417.64 and 281,154.38 is: 388,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,953.06 : 622,417.64 = 281,154.38 : x
  2. Step 2: Convert to fraction form
    450,953.06/622,417.64 = 281,154.38/x
  3. Step 3: Cross multiply
    450,953.06x = 622,417.64 × 281,154.38
  4. Step 4: Simplify right side
    450,953.06x = 174,995,441,157.40
  5. Step 5: Solve for x
    x = 174,995,441,157.40/450,953.06
  6. Step 6: Final answer
    x = 388,056.89

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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.