Home / 711,013.20-1,066,519.80-522,056.40

Finding the Fourth Proportional to 711,013.20, 1,066,519.80 and 522,056.40

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Solution

The fourth proportional to 711,013.20, 1,066,519.80 and 522,056.40 is: 783,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,013.20 : 1,066,519.80 = 522,056.40 : x
  2. Step 2: Convert to fraction form
    711,013.20/1,066,519.80 = 522,056.40/x
  3. Step 3: Cross multiply
    711,013.20x = 1,066,519.80 × 522,056.40
  4. Step 4: Simplify right side
    711,013.20x = 556,783,487,316.72
  5. Step 5: Solve for x
    x = 556,783,487,316.72/711,013.20
  6. Step 6: Final answer
    x = 783,084.60

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Double scale
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Similar ratio
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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.