Home / 910,528.56-1,256,587.56-508,120.56

Finding the Fourth Proportional to 910,528.56, 1,256,587.56 and 508,120.56

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Solution

The fourth proportional to 910,528.56, 1,256,587.56 and 508,120.56 is: 701,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,528.56 : 1,256,587.56 = 508,120.56 : x
  2. Step 2: Convert to fraction form
    910,528.56/1,256,587.56 = 508,120.56/x
  3. Step 3: Cross multiply
    910,528.56x = 1,256,587.56 × 508,120.56
  4. Step 4: Simplify right side
    910,528.56x = 638,497,974,676.23
  5. Step 5: Solve for x
    x = 638,497,974,676.23/910,528.56
  6. Step 6: Final answer
    x = 701,238.82

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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.