Home / 517,741.86-714,583.59-313,904.42

Finding the Fourth Proportional to 517,741.86, 714,583.59 and 313,904.42

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Solution

The fourth proportional to 517,741.86, 714,583.59 and 313,904.42 is: 433,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,741.86 : 714,583.59 = 313,904.42 : x
  2. Step 2: Convert to fraction form
    517,741.86/714,583.59 = 313,904.42/x
  3. Step 3: Cross multiply
    517,741.86x = 714,583.59 × 313,904.42
  4. Step 4: Simplify right side
    517,741.86x = 224,310,947,360.47
  5. Step 5: Solve for x
    x = 224,310,947,360.47/517,741.86
  6. Step 6: Final answer
    x = 433,248.62

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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.