Home / 820,464.34-1,132,193.55-457,859.74

Finding the Fourth Proportional to 820,464.34, 1,132,193.55 and 457,859.74

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Solution

The fourth proportional to 820,464.34, 1,132,193.55 and 457,859.74 is: 631,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,464.34 : 1,132,193.55 = 457,859.74 : x
  2. Step 2: Convert to fraction form
    820,464.34/1,132,193.55 = 457,859.74/x
  3. Step 3: Cross multiply
    820,464.34x = 1,132,193.55 × 457,859.74
  4. Step 4: Simplify right side
    820,464.34x = 518,385,844,432.68
  5. Step 5: Solve for x
    x = 518,385,844,432.68/820,464.34
  6. Step 6: Final answer
    x = 631,820.08

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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.