Home / 876,021.13-1,208,909.43-473,613.13

Finding the Fourth Proportional to 876,021.13, 1,208,909.43 and 473,613.13

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Solution

The fourth proportional to 876,021.13, 1,208,909.43 and 473,613.13 is: 653,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,021.13 : 1,208,909.43 = 473,613.13 : x
  2. Step 2: Convert to fraction form
    876,021.13/1,208,909.43 = 473,613.13/x
  3. Step 3: Cross multiply
    876,021.13x = 1,208,909.43 × 473,613.13
  4. Step 4: Simplify right side
    876,021.13x = 572,555,379,028.82
  5. Step 5: Solve for x
    x = 572,555,379,028.82/876,021.13
  6. Step 6: Final answer
    x = 653,586.27

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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.