Home / 910,558.66-1,256,538.02-502,651.74

Finding the Fourth Proportional to 910,558.66, 1,256,538.02 and 502,651.74

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Solution

The fourth proportional to 910,558.66, 1,256,538.02 and 502,651.74 is: 693,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,558.66 : 1,256,538.02 = 502,651.74 : x
  2. Step 2: Convert to fraction form
    910,558.66/1,256,538.02 = 502,651.74/x
  3. Step 3: Cross multiply
    910,558.66x = 1,256,538.02 × 502,651.74
  4. Step 4: Simplify right side
    910,558.66x = 631,601,027,508.74
  5. Step 5: Solve for x
    x = 631,601,027,508.74/910,558.66
  6. Step 6: Final answer
    x = 693,641.23

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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.