Home / 743,044.18-1,025,714.86-501,653.72

Finding the Fourth Proportional to 743,044.18, 1,025,714.86 and 501,653.72

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Solution

The fourth proportional to 743,044.18, 1,025,714.86 and 501,653.72 is: 692,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,044.18 : 1,025,714.86 = 501,653.72 : x
  2. Step 2: Convert to fraction form
    743,044.18/1,025,714.86 = 501,653.72/x
  3. Step 3: Cross multiply
    743,044.18x = 1,025,714.86 × 501,653.72
  4. Step 4: Simplify right side
    743,044.18x = 514,553,668,795.57
  5. Step 5: Solve for x
    x = 514,553,668,795.57/743,044.18
  6. Step 6: Final answer
    x = 692,494.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.