Home / 910,486.14-1,256,471.12-502,588.25

Finding the Fourth Proportional to 910,486.14, 1,256,471.12 and 502,588.25

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Solution

The fourth proportional to 910,486.14, 1,256,471.12 and 502,588.25 is: 693,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,486.14 : 1,256,471.12 = 502,588.25 : x
  2. Step 2: Convert to fraction form
    910,486.14/1,256,471.12 = 502,588.25/x
  3. Step 3: Cross multiply
    910,486.14x = 1,256,471.12 × 502,588.25
  4. Step 4: Simplify right side
    910,486.14x = 631,487,612,581.04
  5. Step 5: Solve for x
    x = 631,487,612,581.04/910,486.14
  6. Step 6: Final answer
    x = 693,571.91

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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.