Home / 821,585.25-1,133,779.91-459,071.55

Finding the Fourth Proportional to 821,585.25, 1,133,779.91 and 459,071.55

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Solution

The fourth proportional to 821,585.25, 1,133,779.91 and 459,071.55 is: 633,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,585.25 : 1,133,779.91 = 459,071.55 : x
  2. Step 2: Convert to fraction form
    821,585.25/1,133,779.91 = 459,071.55/x
  3. Step 3: Cross multiply
    821,585.25x = 1,133,779.91 × 459,071.55
  4. Step 4: Simplify right side
    821,585.25x = 520,486,098,347.20
  5. Step 5: Solve for x
    x = 520,486,098,347.20/821,585.25
  6. Step 6: Final answer
    x = 633,514.41

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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.