Home / 820,418.91-1,132,235.00-457,913.40

Finding the Fourth Proportional to 820,418.91, 1,132,235.00 and 457,913.40

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Solution

The fourth proportional to 820,418.91, 1,132,235.00 and 457,913.40 is: 631,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,418.91 : 1,132,235.00 = 457,913.40 : x
  2. Step 2: Convert to fraction form
    820,418.91/1,132,235.00 = 457,913.40/x
  3. Step 3: Cross multiply
    820,418.91x = 1,132,235.00 × 457,913.40
  4. Step 4: Simplify right side
    820,418.91x = 518,465,576,159.43
  5. Step 5: Solve for x
    x = 518,465,576,159.43/820,418.91
  6. Step 6: Final answer
    x = 631,952.25

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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.