Home / 1,000,443.72-1,500,822.54-326,369.46

Finding the Fourth Proportional to 1,000,443.72, 1,500,822.54 and 326,369.46

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Solution

The fourth proportional to 1,000,443.72, 1,500,822.54 and 326,369.46 is: 489,605.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,443.72 : 1,500,822.54 = 326,369.46 : x
  2. Step 2: Convert to fraction form
    1,000,443.72/1,500,822.54 = 326,369.46/x
  3. Step 3: Cross multiply
    1,000,443.72x = 1,500,822.54 × 326,369.46
  4. Step 4: Simplify right side
    1,000,443.72x = 489,822,641,935.63
  5. Step 5: Solve for x
    x = 489,822,641,935.63/1,000,443.72
  6. Step 6: Final answer
    x = 489,605.39

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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.