Home / 1,776,582.21-2,664,276.60-578,222.72

Finding the Fourth Proportional to 1,776,582.21, 2,664,276.60 and 578,222.72

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Solution

The fourth proportional to 1,776,582.21, 2,664,276.60 and 578,222.72 is: 867,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,582.21 : 2,664,276.60 = 578,222.72 : x
  2. Step 2: Convert to fraction form
    1,776,582.21/2,664,276.60 = 578,222.72/x
  3. Step 3: Cross multiply
    1,776,582.21x = 2,664,276.60 × 578,222.72
  4. Step 4: Simplify right side
    1,776,582.21x = 1,540,545,261,322.34
  5. Step 5: Solve for x
    x = 1,540,545,261,322.34/1,776,582.21
  6. Step 6: Final answer
    x = 867,139.87

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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.