Home / 868,927.80-1,303,391.70-533,004.60

Finding the Fourth Proportional to 868,927.80, 1,303,391.70 and 533,004.60

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Solution

The fourth proportional to 868,927.80, 1,303,391.70 and 533,004.60 is: 799,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,927.80 : 1,303,391.70 = 533,004.60 : x
  2. Step 2: Convert to fraction form
    868,927.80/1,303,391.70 = 533,004.60/x
  3. Step 3: Cross multiply
    868,927.80x = 1,303,391.70 × 533,004.60
  4. Step 4: Simplify right side
    868,927.80x = 694,713,771,701.82
  5. Step 5: Solve for x
    x = 694,713,771,701.82/868,927.80
  6. Step 6: Final answer
    x = 799,506.90

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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.