Home / 910,452.89-1,256,425.07-502,554.85

Finding the Fourth Proportional to 910,452.89, 1,256,425.07 and 502,554.85

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Solution

The fourth proportional to 910,452.89, 1,256,425.07 and 502,554.85 is: 693,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,452.89 : 1,256,425.07 = 502,554.85 : x
  2. Step 2: Convert to fraction form
    910,452.89/1,256,425.07 = 502,554.85/x
  3. Step 3: Cross multiply
    910,452.89x = 1,256,425.07 × 502,554.85
  4. Step 4: Simplify right side
    910,452.89x = 631,422,506,936.25
  5. Step 5: Solve for x
    x = 631,422,506,936.25/910,452.89
  6. Step 6: Final answer
    x = 693,525.73

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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.