Home / 533,837.07-736,693.16-288,821.04

Finding the Fourth Proportional to 533,837.07, 736,693.16 and 288,821.04

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Solution

The fourth proportional to 533,837.07, 736,693.16 and 288,821.04 is: 398,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,837.07 : 736,693.16 = 288,821.04 : x
  2. Step 2: Convert to fraction form
    533,837.07/736,693.16 = 288,821.04/x
  3. Step 3: Cross multiply
    533,837.07x = 736,693.16 × 288,821.04
  4. Step 4: Simplify right side
    533,837.07x = 212,772,480,425.38
  5. Step 5: Solve for x
    x = 212,772,480,425.38/533,837.07
  6. Step 6: Final answer
    x = 398,571.95

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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.