Home / 623,071.20-934,606.80-202,389.60

Finding the Fourth Proportional to 623,071.20, 934,606.80 and 202,389.60

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Solution

The fourth proportional to 623,071.20, 934,606.80 and 202,389.60 is: 303,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,071.20 : 934,606.80 = 202,389.60 : x
  2. Step 2: Convert to fraction form
    623,071.20/934,606.80 = 202,389.60/x
  3. Step 3: Cross multiply
    623,071.20x = 934,606.80 × 202,389.60
  4. Step 4: Simplify right side
    623,071.20x = 189,154,696,409.28
  5. Step 5: Solve for x
    x = 189,154,696,409.28/623,071.20
  6. Step 6: Final answer
    x = 303,584.40

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Half scale
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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.