Home / 711,272.40-1,066,908.60-659,432.40

Finding the Fourth Proportional to 711,272.40, 1,066,908.60 and 659,432.40

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Solution

The fourth proportional to 711,272.40, 1,066,908.60 and 659,432.40 is: 989,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,272.40 : 1,066,908.60 = 659,432.40 : x
  2. Step 2: Convert to fraction form
    711,272.40/1,066,908.60 = 659,432.40/x
  3. Step 3: Cross multiply
    711,272.40x = 1,066,908.60 × 659,432.40
  4. Step 4: Simplify right side
    711,272.40x = 703,554,098,678.64
  5. Step 5: Solve for x
    x = 703,554,098,678.64/711,272.40
  6. Step 6: Final answer
    x = 989,148.60

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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.