Home / 1,503,851.87-2,254,876.54-478,739.36

Finding the Fourth Proportional to 1,503,851.87, 2,254,876.54 and 478,739.36

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Solution

The fourth proportional to 1,503,851.87, 2,254,876.54 and 478,739.36 is: 717,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,851.87 : 2,254,876.54 = 478,739.36 : x
  2. Step 2: Convert to fraction form
    1,503,851.87/2,254,876.54 = 478,739.36/x
  3. Step 3: Cross multiply
    1,503,851.87x = 2,254,876.54 × 478,739.36
  4. Step 4: Simplify right side
    1,503,851.87x = 1,079,498,151,638.61
  5. Step 5: Solve for x
    x = 1,079,498,151,638.61/1,503,851.87
  6. Step 6: Final answer
    x = 717,822.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.