Home / 1,005,951.88-1,388,239.86-553,254.76

Finding the Fourth Proportional to 1,005,951.88, 1,388,239.86 and 553,254.76

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Solution

The fourth proportional to 1,005,951.88, 1,388,239.86 and 553,254.76 is: 763,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,951.88 : 1,388,239.86 = 553,254.76 : x
  2. Step 2: Convert to fraction form
    1,005,951.88/1,388,239.86 = 553,254.76/x
  3. Step 3: Cross multiply
    1,005,951.88x = 1,388,239.86 × 553,254.76
  4. Step 4: Simplify right side
    1,005,951.88x = 768,050,310,566.73
  5. Step 5: Solve for x
    x = 768,050,310,566.73/1,005,951.88
  6. Step 6: Final answer
    x = 763,506.01

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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.