Home / 977,141.60-1,465,712.40-416,232.80

Finding the Fourth Proportional to 977,141.60, 1,465,712.40 and 416,232.80

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Solution

The fourth proportional to 977,141.60, 1,465,712.40 and 416,232.80 is: 624,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,141.60 : 1,465,712.40 = 416,232.80 : x
  2. Step 2: Convert to fraction form
    977,141.60/1,465,712.40 = 416,232.80/x
  3. Step 3: Cross multiply
    977,141.60x = 1,465,712.40 × 416,232.80
  4. Step 4: Simplify right side
    977,141.60x = 610,077,576,246.72
  5. Step 5: Solve for x
    x = 610,077,576,246.72/977,141.60
  6. Step 6: Final answer
    x = 624,349.20

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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.