Home / 885,426.28-1,221,882.63-503,453.06

Finding the Fourth Proportional to 885,426.28, 1,221,882.63 and 503,453.06

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Solution

The fourth proportional to 885,426.28, 1,221,882.63 and 503,453.06 is: 694,762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,426.28 : 1,221,882.63 = 503,453.06 : x
  2. Step 2: Convert to fraction form
    885,426.28/1,221,882.63 = 503,453.06/x
  3. Step 3: Cross multiply
    885,426.28x = 1,221,882.63 × 503,453.06
  4. Step 4: Simplify right side
    885,426.28x = 615,160,549,034.35
  5. Step 5: Solve for x
    x = 615,160,549,034.35/885,426.28
  6. Step 6: Final answer
    x = 694,762.02

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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.