Home / 691,440.87-953,849.19-462,054.48

Finding the Fourth Proportional to 691,440.87, 953,849.19 and 462,054.48

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Solution

The fourth proportional to 691,440.87, 953,849.19 and 462,054.48 is: 637,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,440.87 : 953,849.19 = 462,054.48 : x
  2. Step 2: Convert to fraction form
    691,440.87/953,849.19 = 462,054.48/x
  3. Step 3: Cross multiply
    691,440.87x = 953,849.19 × 462,054.48
  4. Step 4: Simplify right side
    691,440.87x = 440,730,291,483.87
  5. Step 5: Solve for x
    x = 440,730,291,483.87/691,440.87
  6. Step 6: Final answer
    x = 637,408.51

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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.