Home / 1,242,502.17-1,863,776.59-389,554.91

Finding the Fourth Proportional to 1,242,502.17, 1,863,776.59 and 389,554.91

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Solution

The fourth proportional to 1,242,502.17, 1,863,776.59 and 389,554.91 is: 584,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,502.17 : 1,863,776.59 = 389,554.91 : x
  2. Step 2: Convert to fraction form
    1,242,502.17/1,863,776.59 = 389,554.91/x
  3. Step 3: Cross multiply
    1,242,502.17x = 1,863,776.59 × 389,554.91
  4. Step 4: Simplify right side
    1,242,502.17x = 726,043,325,463.11
  5. Step 5: Solve for x
    x = 726,043,325,463.11/1,242,502.17
  6. Step 6: Final answer
    x = 584,339.68

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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.