Home / 1,440,652.80-2,159,658.24-553,520.64

Finding the Fourth Proportional to 1,440,652.80, 2,159,658.24 and 553,520.64

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Solution

The fourth proportional to 1,440,652.80, 2,159,658.24 and 553,520.64 is: 829,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,652.80 : 2,159,658.24 = 553,520.64 : x
  2. Step 2: Convert to fraction form
    1,440,652.80/2,159,658.24 = 553,520.64/x
  3. Step 3: Cross multiply
    1,440,652.80x = 2,159,658.24 × 553,520.64
  4. Step 4: Simplify right side
    1,440,652.80x = 1,195,415,411,186.07
  5. Step 5: Solve for x
    x = 1,195,415,411,186.07/1,440,652.80
  6. Step 6: Final answer
    x = 829,773.43

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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.