Home / 857,522.76-1,183,296.06-495,063.60

Finding the Fourth Proportional to 857,522.76, 1,183,296.06 and 495,063.60

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Solution

The fourth proportional to 857,522.76, 1,183,296.06 and 495,063.60 is: 683,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,522.76 : 1,183,296.06 = 495,063.60 : x
  2. Step 2: Convert to fraction form
    857,522.76/1,183,296.06 = 495,063.60/x
  3. Step 3: Cross multiply
    857,522.76x = 1,183,296.06 × 495,063.60
  4. Step 4: Simplify right side
    857,522.76x = 585,806,807,329.42
  5. Step 5: Solve for x
    x = 585,806,807,329.42/857,522.76
  6. Step 6: Final answer
    x = 683,138.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.