Home / 977,114.40-1,465,671.60-479,450.40

Finding the Fourth Proportional to 977,114.40, 1,465,671.60 and 479,450.40

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Solution

The fourth proportional to 977,114.40, 1,465,671.60 and 479,450.40 is: 719,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,114.40 : 1,465,671.60 = 479,450.40 : x
  2. Step 2: Convert to fraction form
    977,114.40/1,465,671.60 = 479,450.40/x
  3. Step 3: Cross multiply
    977,114.40x = 1,465,671.60 × 479,450.40
  4. Step 4: Simplify right side
    977,114.40x = 702,716,834,888.64
  5. Step 5: Solve for x
    x = 702,716,834,888.64/977,114.40
  6. Step 6: Final answer
    x = 719,175.60

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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.