Home / 533,922.48-736,740.30-319,017.12

Finding the Fourth Proportional to 533,922.48, 736,740.30 and 319,017.12

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Solution

The fourth proportional to 533,922.48, 736,740.30 and 319,017.12 is: 440,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,922.48 : 736,740.30 = 319,017.12 : x
  2. Step 2: Convert to fraction form
    533,922.48/736,740.30 = 319,017.12/x
  3. Step 3: Cross multiply
    533,922.48x = 736,740.30 × 319,017.12
  4. Step 4: Simplify right side
    533,922.48x = 235,032,768,693.94
  5. Step 5: Solve for x
    x = 235,032,768,693.94/533,922.48
  6. Step 6: Final answer
    x = 440,200.17

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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.