Home / 1,661,639.76-2,492,905.95-524,445.93

Finding the Fourth Proportional to 1,661,639.76, 2,492,905.95 and 524,445.93

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Solution

The fourth proportional to 1,661,639.76, 2,492,905.95 and 524,445.93 is: 786,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,639.76 : 2,492,905.95 = 524,445.93 : x
  2. Step 2: Convert to fraction form
    1,661,639.76/2,492,905.95 = 524,445.93/x
  3. Step 3: Cross multiply
    1,661,639.76x = 2,492,905.95 × 524,445.93
  4. Step 4: Simplify right side
    1,661,639.76x = 1,307,394,379,350.28
  5. Step 5: Solve for x
    x = 1,307,394,379,350.28/1,661,639.76
  6. Step 6: Final answer
    x = 786,809.76

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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.