Home / 876,066.20-1,208,971.34-473,658.20

Finding the Fourth Proportional to 876,066.20, 1,208,971.34 and 473,658.20

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Solution

The fourth proportional to 876,066.20, 1,208,971.34 and 473,658.20 is: 653,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,066.20 : 1,208,971.34 = 473,658.20 : x
  2. Step 2: Convert to fraction form
    876,066.20/1,208,971.34 = 473,658.20/x
  3. Step 3: Cross multiply
    876,066.20x = 1,208,971.34 × 473,658.20
  4. Step 4: Simplify right side
    876,066.20x = 572,639,180,342.84
  5. Step 5: Solve for x
    x = 572,639,180,342.84/876,066.20
  6. Step 6: Final answer
    x = 653,648.30

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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.