Home / 876,213.40-1,209,174.60-473,805.40

Finding the Fourth Proportional to 876,213.40, 1,209,174.60 and 473,805.40

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Solution

The fourth proportional to 876,213.40, 1,209,174.60 and 473,805.40 is: 653,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,213.40 : 1,209,174.60 = 473,805.40 : x
  2. Step 2: Convert to fraction form
    876,213.40/1,209,174.60 = 473,805.40/x
  3. Step 3: Cross multiply
    876,213.40x = 1,209,174.60 × 473,805.40
  4. Step 4: Simplify right side
    876,213.40x = 572,913,455,022.84
  5. Step 5: Solve for x
    x = 572,913,455,022.84/876,213.40
  6. Step 6: Final answer
    x = 653,851.51

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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.