Home / 1,044,983.80-1,567,475.70-644,325.40

Finding the Fourth Proportional to 1,044,983.80, 1,567,475.70 and 644,325.40

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Solution

The fourth proportional to 1,044,983.80, 1,567,475.70 and 644,325.40 is: 966,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,983.80 : 1,567,475.70 = 644,325.40 : x
  2. Step 2: Convert to fraction form
    1,044,983.80/1,567,475.70 = 644,325.40/x
  3. Step 3: Cross multiply
    1,044,983.80x = 1,567,475.70 × 644,325.40
  4. Step 4: Simplify right side
    1,044,983.80x = 1,009,964,407,392.78
  5. Step 5: Solve for x
    x = 1,009,964,407,392.78/1,044,983.80
  6. Step 6: Final answer
    x = 966,488.10

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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.