Home / 977,141.10-1,465,711.65-416,232.30

Finding the Fourth Proportional to 977,141.10, 1,465,711.65 and 416,232.30

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Solution

The fourth proportional to 977,141.10, 1,465,711.65 and 416,232.30 is: 624,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,141.10 : 1,465,711.65 = 416,232.30 : x
  2. Step 2: Convert to fraction form
    977,141.10/1,465,711.65 = 416,232.30/x
  3. Step 3: Cross multiply
    977,141.10x = 1,465,711.65 × 416,232.30
  4. Step 4: Simplify right side
    977,141.10x = 610,076,531,216.30
  5. Step 5: Solve for x
    x = 610,076,531,216.30/977,141.10
  6. Step 6: Final answer
    x = 624,348.45

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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.