Home / 743,043.81-1,025,714.34-501,653.34

Finding the Fourth Proportional to 743,043.81, 1,025,714.34 and 501,653.34

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Solution

The fourth proportional to 743,043.81, 1,025,714.34 and 501,653.34 is: 692,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,043.81 : 1,025,714.34 = 501,653.34 : x
  2. Step 2: Convert to fraction form
    743,043.81/1,025,714.34 = 501,653.34/x
  3. Step 3: Cross multiply
    743,043.81x = 1,025,714.34 × 501,653.34
  4. Step 4: Simplify right side
    743,043.81x = 514,553,024,546.90
  5. Step 5: Solve for x
    x = 514,553,024,546.90/743,043.81
  6. Step 6: Final answer
    x = 692,493.52

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Double scale
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1.5x scale

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.