Home / 910,634.63-1,256,677.38-502,737.12

Finding the Fourth Proportional to 910,634.63, 1,256,677.38 and 502,737.12

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Solution

The fourth proportional to 910,634.63, 1,256,677.38 and 502,737.12 is: 693,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,634.63 : 1,256,677.38 = 502,737.12 : x
  2. Step 2: Convert to fraction form
    910,634.63/1,256,677.38 = 502,737.12/x
  3. Step 3: Cross multiply
    910,634.63x = 1,256,677.38 × 502,737.12
  4. Step 4: Simplify right side
    910,634.63x = 631,778,372,622.07
  5. Step 5: Solve for x
    x = 631,778,372,622.07/910,634.63
  6. Step 6: Final answer
    x = 693,778.11

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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.