Home / 977,117.20-1,465,627.20-503,850.40

Finding the Fourth Proportional to 977,117.20, 1,465,627.20 and 503,850.40

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Solution

The fourth proportional to 977,117.20, 1,465,627.20 and 503,850.40 is: 755,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,117.20 : 1,465,627.20 = 503,850.40 : x
  2. Step 2: Convert to fraction form
    977,117.20/1,465,627.20 = 503,850.40/x
  3. Step 3: Cross multiply
    977,117.20x = 1,465,627.20 × 503,850.40
  4. Step 4: Simplify right side
    977,117.20x = 738,456,850,970.88
  5. Step 5: Solve for x
    x = 738,456,850,970.88/977,117.20
  6. Step 6: Final answer
    x = 755,750.54

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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.