Home / 910,694.74-1,256,733.72-502,789.15

Finding the Fourth Proportional to 910,694.74, 1,256,733.72 and 502,789.15

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Solution

The fourth proportional to 910,694.74, 1,256,733.72 and 502,789.15 is: 693,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,694.74 : 1,256,733.72 = 502,789.15 : x
  2. Step 2: Convert to fraction form
    910,694.74/1,256,733.72 = 502,789.15/x
  3. Step 3: Cross multiply
    910,694.74x = 1,256,733.72 × 502,789.15
  4. Step 4: Simplify right side
    910,694.74x = 631,872,078,855.14
  5. Step 5: Solve for x
    x = 631,872,078,855.14/910,694.74
  6. Step 6: Final answer
    x = 693,835.21

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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.