Home / 977,438.60-1,466,417.10-346,286.60

Finding the Fourth Proportional to 977,438.60, 1,466,417.10 and 346,286.60

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Solution

The fourth proportional to 977,438.60, 1,466,417.10 and 346,286.60 is: 519,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,438.60 : 1,466,417.10 = 346,286.60 : x
  2. Step 2: Convert to fraction form
    977,438.60/1,466,417.10 = 346,286.60/x
  3. Step 3: Cross multiply
    977,438.60x = 1,466,417.10 × 346,286.60
  4. Step 4: Simplify right side
    977,438.60x = 507,800,591,740.86
  5. Step 5: Solve for x
    x = 507,800,591,740.86/977,438.60
  6. Step 6: Final answer
    x = 519,521.73

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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.