Home / 447,045.28-616,903.70-253,466.01

Finding the Fourth Proportional to 447,045.28, 616,903.70 and 253,466.01

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Solution

The fourth proportional to 447,045.28, 616,903.70 and 253,466.01 is: 349,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,045.28 : 616,903.70 = 253,466.01 : x
  2. Step 2: Convert to fraction form
    447,045.28/616,903.70 = 253,466.01/x
  3. Step 3: Cross multiply
    447,045.28x = 616,903.70 × 253,466.01
  4. Step 4: Simplify right side
    447,045.28x = 156,364,119,393.24
  5. Step 5: Solve for x
    x = 156,364,119,393.24/447,045.28
  6. Step 6: Final answer
    x = 349,772.44

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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.