Home / 711,000.60-1,066,500.90-459,058.20

Finding the Fourth Proportional to 711,000.60, 1,066,500.90 and 459,058.20

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Solution

The fourth proportional to 711,000.60, 1,066,500.90 and 459,058.20 is: 688,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,000.60 : 1,066,500.90 = 459,058.20 : x
  2. Step 2: Convert to fraction form
    711,000.60/1,066,500.90 = 459,058.20/x
  3. Step 3: Cross multiply
    711,000.60x = 1,066,500.90 × 459,058.20
  4. Step 4: Simplify right side
    711,000.60x = 489,585,983,452.38
  5. Step 5: Solve for x
    x = 489,585,983,452.38/711,000.60
  6. Step 6: Final answer
    x = 688,587.30

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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.