Home / 945,597.42-1,304,878.95-515,851.92

Finding the Fourth Proportional to 945,597.42, 1,304,878.95 and 515,851.92

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Solution

The fourth proportional to 945,597.42, 1,304,878.95 and 515,851.92 is: 711,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,597.42 : 1,304,878.95 = 515,851.92 : x
  2. Step 2: Convert to fraction form
    945,597.42/1,304,878.95 = 515,851.92/x
  3. Step 3: Cross multiply
    945,597.42x = 1,304,878.95 × 515,851.92
  4. Step 4: Simplify right side
    945,597.42x = 673,124,311,725.08
  5. Step 5: Solve for x
    x = 673,124,311,725.08/945,597.42
  6. Step 6: Final answer
    x = 711,850.83

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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.