Home / 910,699.30-1,256,759.16-502,826.56

Finding the Fourth Proportional to 910,699.30, 1,256,759.16 and 502,826.56

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Solution

The fourth proportional to 910,699.30, 1,256,759.16 and 502,826.56 is: 693,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,699.30 : 1,256,759.16 = 502,826.56 : x
  2. Step 2: Convert to fraction form
    910,699.30/1,256,759.16 = 502,826.56/x
  3. Step 3: Cross multiply
    910,699.30x = 1,256,759.16 × 502,826.56
  4. Step 4: Simplify right side
    910,699.30x = 631,931,885,171.29
  5. Step 5: Solve for x
    x = 631,931,885,171.29/910,699.30
  6. Step 6: Final answer
    x = 693,897.41

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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.