Home / 910,416.33-1,256,501.03-508,034.25

Finding the Fourth Proportional to 910,416.33, 1,256,501.03 and 508,034.25

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Solution

The fourth proportional to 910,416.33, 1,256,501.03 and 508,034.25 is: 701,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,416.33 : 1,256,501.03 = 508,034.25 : x
  2. Step 2: Convert to fraction form
    910,416.33/1,256,501.03 = 508,034.25/x
  3. Step 3: Cross multiply
    910,416.33x = 1,256,501.03 × 508,034.25
  4. Step 4: Simplify right side
    910,416.33x = 638,345,555,860.11
  5. Step 5: Solve for x
    x = 638,345,555,860.11/910,416.33
  6. Step 6: Final answer
    x = 701,157.85

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Double scale
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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.