Home / 910,486.05-1,256,471.00-502,588.16

Finding the Fourth Proportional to 910,486.05, 1,256,471.00 and 502,588.16

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Solution

The fourth proportional to 910,486.05, 1,256,471.00 and 502,588.16 is: 693,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,486.05 : 1,256,471.00 = 502,588.16 : x
  2. Step 2: Convert to fraction form
    910,486.05/1,256,471.00 = 502,588.16/x
  3. Step 3: Cross multiply
    910,486.05x = 1,256,471.00 × 502,588.16
  4. Step 4: Simplify right side
    910,486.05x = 631,487,439,188.06
  5. Step 5: Solve for x
    x = 631,487,439,188.06/910,486.05
  6. Step 6: Final answer
    x = 693,571.79

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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.