Home / 910,416.46-1,256,501.20-508,034.38

Finding the Fourth Proportional to 910,416.46, 1,256,501.20 and 508,034.38

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Solution

The fourth proportional to 910,416.46, 1,256,501.20 and 508,034.38 is: 701,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,416.46 : 1,256,501.20 = 508,034.38 : x
  2. Step 2: Convert to fraction form
    910,416.46/1,256,501.20 = 508,034.38/x
  3. Step 3: Cross multiply
    910,416.46x = 1,256,501.20 × 508,034.38
  4. Step 4: Simplify right side
    910,416.46x = 638,345,800,558.66
  5. Step 5: Solve for x
    x = 638,345,800,558.66/910,416.46
  6. Step 6: Final answer
    x = 701,158.02

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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.