Home / 692,106.60-1,038,159.90-243,334.20

Finding the Fourth Proportional to 692,106.60, 1,038,159.90 and 243,334.20

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Solution

The fourth proportional to 692,106.60, 1,038,159.90 and 243,334.20 is: 365,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,106.60 : 1,038,159.90 = 243,334.20 : x
  2. Step 2: Convert to fraction form
    692,106.60/1,038,159.90 = 243,334.20/x
  3. Step 3: Cross multiply
    692,106.60x = 1,038,159.90 × 243,334.20
  4. Step 4: Simplify right side
    692,106.60x = 252,619,808,738.58
  5. Step 5: Solve for x
    x = 252,619,808,738.58/692,106.60
  6. Step 6: Final answer
    x = 365,001.30

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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.