Home / 886,795.93-1,223,778.37-478,897.76

Finding the Fourth Proportional to 886,795.93, 1,223,778.37 and 478,897.76

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Solution

The fourth proportional to 886,795.93, 1,223,778.37 and 478,897.76 is: 660,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,795.93 : 1,223,778.37 = 478,897.76 : x
  2. Step 2: Convert to fraction form
    886,795.93/1,223,778.37 = 478,897.76/x
  3. Step 3: Cross multiply
    886,795.93x = 1,223,778.37 × 478,897.76
  4. Step 4: Simplify right side
    886,795.93x = 586,064,711,616.07
  5. Step 5: Solve for x
    x = 586,064,711,616.07/886,795.93
  6. Step 6: Final answer
    x = 660,878.90

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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.