Home / 734,477.40-1,101,716.10-397,387.80

Finding the Fourth Proportional to 734,477.40, 1,101,716.10 and 397,387.80

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Solution

The fourth proportional to 734,477.40, 1,101,716.10 and 397,387.80 is: 596,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,477.40 : 1,101,716.10 = 397,387.80 : x
  2. Step 2: Convert to fraction form
    734,477.40/1,101,716.10 = 397,387.80/x
  3. Step 3: Cross multiply
    734,477.40x = 1,101,716.10 × 397,387.80
  4. Step 4: Simplify right side
    734,477.40x = 437,808,537,203.58
  5. Step 5: Solve for x
    x = 437,808,537,203.58/734,477.40
  6. Step 6: Final answer
    x = 596,081.70

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.