Home / 1,005,365.80-1,508,267.40-331,332.40

Finding the Fourth Proportional to 1,005,365.80, 1,508,267.40 and 331,332.40

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Solution

The fourth proportional to 1,005,365.80, 1,508,267.40 and 331,332.40 is: 497,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,365.80 : 1,508,267.40 = 331,332.40 : x
  2. Step 2: Convert to fraction form
    1,005,365.80/1,508,267.40 = 331,332.40/x
  3. Step 3: Cross multiply
    1,005,365.80x = 1,508,267.40 × 331,332.40
  4. Step 4: Simplify right side
    1,005,365.80x = 499,737,857,483.76
  5. Step 5: Solve for x
    x = 499,737,857,483.76/1,005,365.80
  6. Step 6: Final answer
    x = 497,070.68

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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.