Home / 886,885.60-1,223,901.96-478,987.44

Finding the Fourth Proportional to 886,885.60, 1,223,901.96 and 478,987.44

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Solution

The fourth proportional to 886,885.60, 1,223,901.96 and 478,987.44 is: 661,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,885.60 : 1,223,901.96 = 478,987.44 : x
  2. Step 2: Convert to fraction form
    886,885.60/1,223,901.96 = 478,987.44/x
  3. Step 3: Cross multiply
    886,885.60x = 1,223,901.96 × 478,987.44
  4. Step 4: Simplify right side
    886,885.60x = 586,233,666,631.38
  5. Step 5: Solve for x
    x = 586,233,666,631.38/886,885.60
  6. Step 6: Final answer
    x = 661,002.58

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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.