Home / 910,513.95-1,256,578.82-502,694.34

Finding the Fourth Proportional to 910,513.95, 1,256,578.82 and 502,694.34

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Solution

The fourth proportional to 910,513.95, 1,256,578.82 and 502,694.34 is: 693,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,513.95 : 1,256,578.82 = 502,694.34 : x
  2. Step 2: Convert to fraction form
    910,513.95/1,256,578.82 = 502,694.34/x
  3. Step 3: Cross multiply
    910,513.95x = 1,256,578.82 × 502,694.34
  4. Step 4: Simplify right side
    910,513.95x = 631,675,060,577.88
  5. Step 5: Solve for x
    x = 631,675,060,577.88/910,513.95
  6. Step 6: Final answer
    x = 693,756.60

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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.