Home / 885,726.14-1,221,881.06-522,906.93

Finding the Fourth Proportional to 885,726.14, 1,221,881.06 and 522,906.93

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Solution

The fourth proportional to 885,726.14, 1,221,881.06 and 522,906.93 is: 721,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,726.14 : 1,221,881.06 = 522,906.93 : x
  2. Step 2: Convert to fraction form
    885,726.14/1,221,881.06 = 522,906.93/x
  3. Step 3: Cross multiply
    885,726.14x = 1,221,881.06 × 522,906.93
  4. Step 4: Simplify right side
    885,726.14x = 638,930,071,295.21
  5. Step 5: Solve for x
    x = 638,930,071,295.21/885,726.14
  6. Step 6: Final answer
    x = 721,363.01

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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.