Home / 885,164.28-1,221,521.14-503,191.16

Finding the Fourth Proportional to 885,164.28, 1,221,521.14 and 503,191.16

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Solution

The fourth proportional to 885,164.28, 1,221,521.14 and 503,191.16 is: 694,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,164.28 : 1,221,521.14 = 503,191.16 : x
  2. Step 2: Convert to fraction form
    885,164.28/1,221,521.14 = 503,191.16/x
  3. Step 3: Cross multiply
    885,164.28x = 1,221,521.14 × 503,191.16
  4. Step 4: Simplify right side
    885,164.28x = 614,658,639,401.12
  5. Step 5: Solve for x
    x = 614,658,639,401.12/885,164.28
  6. Step 6: Final answer
    x = 694,400.64

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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.