Home / 692,101.60-1,038,152.40-243,329.20

Finding the Fourth Proportional to 692,101.60, 1,038,152.40 and 243,329.20

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Solution

The fourth proportional to 692,101.60, 1,038,152.40 and 243,329.20 is: 364,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,101.60 : 1,038,152.40 = 243,329.20 : x
  2. Step 2: Convert to fraction form
    692,101.60/1,038,152.40 = 243,329.20/x
  3. Step 3: Cross multiply
    692,101.60x = 1,038,152.40 × 243,329.20
  4. Step 4: Simplify right side
    692,101.60x = 252,612,792,970.08
  5. Step 5: Solve for x
    x = 252,612,792,970.08/692,101.60
  6. Step 6: Final answer
    x = 364,993.80

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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.