Home / 910,563.92-1,256,571.28-502,666.21

Finding the Fourth Proportional to 910,563.92, 1,256,571.28 and 502,666.21

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Solution

The fourth proportional to 910,563.92, 1,256,571.28 and 502,666.21 is: 693,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,563.92 : 1,256,571.28 = 502,666.21 : x
  2. Step 2: Convert to fraction form
    910,563.92/1,256,571.28 = 502,666.21/x
  3. Step 3: Cross multiply
    910,563.92x = 1,256,571.28 × 502,666.21
  4. Step 4: Simplify right side
    910,563.92x = 631,635,922,912.45
  5. Step 5: Solve for x
    x = 631,635,922,912.45/910,563.92
  6. Step 6: Final answer
    x = 693,675.54

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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.