Home / 885,356.92-1,221,669.30-503,341.48

Finding the Fourth Proportional to 885,356.92, 1,221,669.30 and 503,341.48

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Solution

The fourth proportional to 885,356.92, 1,221,669.30 and 503,341.48 is: 694,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,356.92 : 1,221,669.30 = 503,341.48 : x
  2. Step 2: Convert to fraction form
    885,356.92/1,221,669.30 = 503,341.48/x
  3. Step 3: Cross multiply
    885,356.92x = 1,221,669.30 × 503,341.48
  4. Step 4: Simplify right side
    885,356.92x = 614,916,833,532.56
  5. Step 5: Solve for x
    x = 614,916,833,532.56/885,356.92
  6. Step 6: Final answer
    x = 694,541.17

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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.