Home / 821,853.69-1,134,159.62-459,277.55

Finding the Fourth Proportional to 821,853.69, 1,134,159.62 and 459,277.55

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Solution

The fourth proportional to 821,853.69, 1,134,159.62 and 459,277.55 is: 633,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,853.69 : 1,134,159.62 = 459,277.55 : x
  2. Step 2: Convert to fraction form
    821,853.69/1,134,159.62 = 459,277.55/x
  3. Step 3: Cross multiply
    821,853.69x = 1,134,159.62 × 459,277.55
  4. Step 4: Simplify right side
    821,853.69x = 520,894,051,582.53
  5. Step 5: Solve for x
    x = 520,894,051,582.53/821,853.69
  6. Step 6: Final answer
    x = 633,803.87

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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.