Home / 652,913.28-899,538.12-505,230.48

Finding the Fourth Proportional to 652,913.28, 899,538.12 and 505,230.48

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Solution

The fourth proportional to 652,913.28, 899,538.12 and 505,230.48 is: 696,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,913.28 : 899,538.12 = 505,230.48 : x
  2. Step 2: Convert to fraction form
    652,913.28/899,538.12 = 505,230.48/x
  3. Step 3: Cross multiply
    652,913.28x = 899,538.12 × 505,230.48
  4. Step 4: Simplify right side
    652,913.28x = 454,474,076,145.90
  5. Step 5: Solve for x
    x = 454,474,076,145.90/652,913.28
  6. Step 6: Final answer
    x = 696,071.12

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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.