Home / 923,515.40-1,385,273.10-569,221.40

Finding the Fourth Proportional to 923,515.40, 1,385,273.10 and 569,221.40

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Solution

The fourth proportional to 923,515.40, 1,385,273.10 and 569,221.40 is: 853,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,515.40 : 1,385,273.10 = 569,221.40 : x
  2. Step 2: Convert to fraction form
    923,515.40/1,385,273.10 = 569,221.40/x
  3. Step 3: Cross multiply
    923,515.40x = 1,385,273.10 × 569,221.40
  4. Step 4: Simplify right side
    923,515.40x = 788,527,093,364.34
  5. Step 5: Solve for x
    x = 788,527,093,364.34/923,515.40
  6. Step 6: Final answer
    x = 853,832.10

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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.