Home / 885,162.07-1,221,518.08-503,188.87

Finding the Fourth Proportional to 885,162.07, 1,221,518.08 and 503,188.87

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Solution

The fourth proportional to 885,162.07, 1,221,518.08 and 503,188.87 is: 694,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,162.07 : 1,221,518.08 = 503,188.87 : x
  2. Step 2: Convert to fraction form
    885,162.07/1,221,518.08 = 503,188.87/x
  3. Step 3: Cross multiply
    885,162.07x = 1,221,518.08 × 503,188.87
  4. Step 4: Simplify right side
    885,162.07x = 614,654,299,843.83
  5. Step 5: Solve for x
    x = 614,654,299,843.83/885,162.07
  6. Step 6: Final answer
    x = 694,397.47

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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.