Home / 1,377,206.21-2,066,488.20-619,583.85

Finding the Fourth Proportional to 1,377,206.21, 2,066,488.20 and 619,583.85

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Solution

The fourth proportional to 1,377,206.21, 2,066,488.20 and 619,583.85 is: 929,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,206.21 : 2,066,488.20 = 619,583.85 : x
  2. Step 2: Convert to fraction form
    1,377,206.21/2,066,488.20 = 619,583.85/x
  3. Step 3: Cross multiply
    1,377,206.21x = 2,066,488.20 × 619,583.85
  4. Step 4: Simplify right side
    1,377,206.21x = 1,280,362,714,935.57
  5. Step 5: Solve for x
    x = 1,280,362,714,935.57/1,377,206.21
  6. Step 6: Final answer
    x = 929,681.19

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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.