Home / 1,152,084.42-1,728,127.51-393,931.62

Finding the Fourth Proportional to 1,152,084.42, 1,728,127.51 and 393,931.62

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Solution

The fourth proportional to 1,152,084.42, 1,728,127.51 and 393,931.62 is: 590,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,084.42 : 1,728,127.51 = 393,931.62 : x
  2. Step 2: Convert to fraction form
    1,152,084.42/1,728,127.51 = 393,931.62/x
  3. Step 3: Cross multiply
    1,152,084.42x = 1,728,127.51 × 393,931.62
  4. Step 4: Simplify right side
    1,152,084.42x = 680,764,068,596.04
  5. Step 5: Solve for x
    x = 680,764,068,596.04/1,152,084.42
  6. Step 6: Final answer
    x = 590,897.73

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Double scale
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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.