Home / 743,018.58-1,025,348.30-437,114.66

Finding the Fourth Proportional to 743,018.58, 1,025,348.30 and 437,114.66

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Solution

The fourth proportional to 743,018.58, 1,025,348.30 and 437,114.66 is: 603,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,018.58 : 1,025,348.30 = 437,114.66 : x
  2. Step 2: Convert to fraction form
    743,018.58/1,025,348.30 = 437,114.66/x
  3. Step 3: Cross multiply
    743,018.58x = 1,025,348.30 × 437,114.66
  4. Step 4: Simplify right side
    743,018.58x = 448,194,774,460.27
  5. Step 5: Solve for x
    x = 448,194,774,460.27/743,018.58
  6. Step 6: Final answer
    x = 603,208.03

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Double scale
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Similar ratio
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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.