Home / 741,741.46-1,023,598.05-402,209.71

Finding the Fourth Proportional to 741,741.46, 1,023,598.05 and 402,209.71

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Solution

The fourth proportional to 741,741.46, 1,023,598.05 and 402,209.71 is: 555,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,741.46 : 1,023,598.05 = 402,209.71 : x
  2. Step 2: Convert to fraction form
    741,741.46/1,023,598.05 = 402,209.71/x
  3. Step 3: Cross multiply
    741,741.46x = 1,023,598.05 × 402,209.71
  4. Step 4: Simplify right side
    741,741.46x = 411,701,074,847.07
  5. Step 5: Solve for x
    x = 411,701,074,847.07/741,741.46
  6. Step 6: Final answer
    x = 555,046.60

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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.