Home / 910,110.61-1,255,944.09-502,215.94

Finding the Fourth Proportional to 910,110.61, 1,255,944.09 and 502,215.94

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Solution

The fourth proportional to 910,110.61, 1,255,944.09 and 502,215.94 is: 693,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,110.61 : 1,255,944.09 = 502,215.94 : x
  2. Step 2: Convert to fraction form
    910,110.61/1,255,944.09 = 502,215.94/x
  3. Step 3: Cross multiply
    910,110.61x = 1,255,944.09 × 502,215.94
  4. Step 4: Simplify right side
    910,110.61x = 630,755,141,746.80
  5. Step 5: Solve for x
    x = 630,755,141,746.80/910,110.61
  6. Step 6: Final answer
    x = 693,053.28

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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.